Home / 12,705.02-17,534.04-7,116.02

Finding the Fourth Proportional to 12,705.02, 17,534.04 and 7,116.02

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Solution

The fourth proportional to 12,705.02, 17,534.04 and 7,116.02 is: 9,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705.02 : 17,534.04 = 7,116.02 : x
  2. Step 2: Convert to fraction form
    12,705.02/17,534.04 = 7,116.02/x
  3. Step 3: Cross multiply
    12,705.02x = 17,534.04 × 7,116.02
  4. Step 4: Simplify right side
    12,705.02x = 124,772,579.32
  5. Step 5: Solve for x
    x = 124,772,579.32/12,705.02
  6. Step 6: Final answer
    x = 9,820.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.