Home / 10,156.56-15,229.19-3,134.59

Finding the Fourth Proportional to 10,156.56, 15,229.19 and 3,134.59

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Solution

The fourth proportional to 10,156.56, 15,229.19 and 3,134.59 is: 4,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.56 : 15,229.19 = 3,134.59 : x
  2. Step 2: Convert to fraction form
    10,156.56/15,229.19 = 3,134.59/x
  3. Step 3: Cross multiply
    10,156.56x = 15,229.19 × 3,134.59
  4. Step 4: Simplify right side
    10,156.56x = 47,737,266.68
  5. Step 5: Solve for x
    x = 47,737,266.68/10,156.56
  6. Step 6: Final answer
    x = 4,700.14

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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.