Home / 12,471.02-17,210.85-7,167.95

Finding the Fourth Proportional to 12,471.02, 17,210.85 and 7,167.95

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Solution

The fourth proportional to 12,471.02, 17,210.85 and 7,167.95 is: 9,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.02 : 17,210.85 = 7,167.95 : x
  2. Step 2: Convert to fraction form
    12,471.02/17,210.85 = 7,167.95/x
  3. Step 3: Cross multiply
    12,471.02x = 17,210.85 × 7,167.95
  4. Step 4: Simplify right side
    12,471.02x = 123,366,512.26
  5. Step 5: Solve for x
    x = 123,366,512.26/12,471.02
  6. Step 6: Final answer
    x = 9,892.26

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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.