Home / 10,285.53-15,425.10-3,710.86

Finding the Fourth Proportional to 10,285.53, 15,425.10 and 3,710.86

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Solution

The fourth proportional to 10,285.53, 15,425.10 and 3,710.86 is: 5,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.53 : 15,425.10 = 3,710.86 : x
  2. Step 2: Convert to fraction form
    10,285.53/15,425.10 = 3,710.86/x
  3. Step 3: Cross multiply
    10,285.53x = 15,425.10 × 3,710.86
  4. Step 4: Simplify right side
    10,285.53x = 57,240,348.02
  5. Step 5: Solve for x
    x = 57,240,348.02/10,285.53
  6. Step 6: Final answer
    x = 5,565.13

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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.