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Mathematics

Grade9

Easy

Question

If $fraction numerator a over denominator b end fraction equals fraction numerator c over denominator d end fraction$ is a proportion, then which is not a satisfying property for proportion?

ab = cd
$\frac{b}{a} = \frac{d}{c}$
$\frac{a}{c} = \frac{b}{d}$
$\frac{a}{b} = \frac{d}{c}$

hint Hint:

Check the options that matches the proportionality.

The correct answer is: ab = cd

An equation that states that two ratios are equal is called a proportion.
ab = cd Not satisfying the property of proportionality because ac = bd .

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