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Ratio, Cross-Multiplication - Level 1.

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1- Do the following maths.
2- Hit Submit
3- See Your Results Below.

Review of the proportion and cross products.

A proportion is an equation stating that two ratios are equal.
The products ad and cb are called the cross products.

XProduct

Find x in the following ratios:


x

=

4

   =>    x =   

9

7

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6

=

x

   =>    x =   

6

9

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4

=

8

   =>    x =   

x

5

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4

=

3

   =>    x =   

7

x


  

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Your Previous Answers and Results :



Fatal error: Uncaught TypeError: Unsupported operand types: string - string in /homepages/14/d292286011/htdocs/SUB_HocToan/CrossProduct.php:292 Stack trace: #0 /homepages/14/d292286011/htdocs/SUB_HocToan/CrossProduct.php(565): writeToHtm(Array, 'Store/323650252...') #1 {main} thrown in /homepages/14/d292286011/htdocs/SUB_HocToan/CrossProduct.php on line 292
Question Your answer Correct answer Your award
x 2