Question

if 4:7=12:X,find the value of x ​

Answer 1

Answer:

Product of antecedents = Product of consequents 4/7=12/X

4X=84

X=21

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Answer 2

$\frac{4}{7} = \frac{12}{x} \\ x = \frac{12 \times 7}{4} \\ x = 21$