If 7 : x = 17.5 : 22.5, then find the value of x. Option 1: 8 Option 2: 9 Option 3: 10 Option 4: 11

Answer: 9. Solution: Cross multiplying, 7 x 22.5 = 17.5 x x. So x = 157.5/17.5 = 9.

Arithmetic

Ratio, Proportion & Variation

Easy

If 7 : x = 17.5 : 22.5, then find the value of x.

✅ Correct Option: 2

Cross multiplying, $7 \times 22.5 = 17.5 \times x$ .

So $x = \dfrac{157.5}{17.5} = 9$ .

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Solution

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