Home / 10,503.73-15,754.20-3,108.97

Finding the Fourth Proportional to 10,503.73, 15,754.20 and 3,108.97

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Solution

The fourth proportional to 10,503.73, 15,754.20 and 3,108.97 is: 4,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.73 : 15,754.20 = 3,108.97 : x
  2. Step 2: Convert to fraction form
    10,503.73/15,754.20 = 3,108.97/x
  3. Step 3: Cross multiply
    10,503.73x = 15,754.20 × 3,108.97
  4. Step 4: Simplify right side
    10,503.73x = 48,979,335.17
  5. Step 5: Solve for x
    x = 48,979,335.17/10,503.73
  6. Step 6: Final answer
    x = 4,663.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.