Which quantity is proportional to
12/48?

Any fraction that is equivalent to 12/48 would be correct.

12 and 48 are both divisible by 2, so .

12 and 48 are both divisible by 4, so .

12 and 48 are both divisible by 12, so .

All of those fractions are proportional.

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870