Question

are 3,4,6 and 12 in proportiou​

Answer 1

Answer:

No 3,4,6,12 are not in proportion.

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Answer 2

Let's check whether 3 : 4 :: 6 : 12 is true.

$\sf \dfrac{3}{4} = \dfrac{6}{12}$

$\sf \: 3 \times 12 = 6 \times 4$

$36 \: \cancel{ =} \: 24$

Therefore, 3, 4, 6 and 12 are not in proportion.