Home / 12,572.13-17,347.60-7,265.92

Finding the Fourth Proportional to 12,572.13, 17,347.60 and 7,265.92

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Solution

The fourth proportional to 12,572.13, 17,347.60 and 7,265.92 is: 10,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.13 : 17,347.60 = 7,265.92 : x
  2. Step 2: Convert to fraction form
    12,572.13/17,347.60 = 7,265.92/x
  3. Step 3: Cross multiply
    12,572.13x = 17,347.60 × 7,265.92
  4. Step 4: Simplify right side
    12,572.13x = 126,046,187.05
  5. Step 5: Solve for x
    x = 126,046,187.05/12,572.13
  6. Step 6: Final answer
    x = 10,025.85

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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.