Question

If 7:21::x:12 find x​

Answer 1

Question :

If 7 : 21 : : x : 12 find x

Answer :

product of mean = product of extreme

21 ✖ x = 7 ✖ 12

$x \: = \frac{7 \times 12}{21} \\ x \: = \frac{12}{3} \\ x = 4$

Answer 2

Answer:

X = 4

Step-by-step explanation:

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