Home / 10,339.93-15,500.50-3,761.46

Finding the Fourth Proportional to 10,339.93, 15,500.50 and 3,761.46

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Solution

The fourth proportional to 10,339.93, 15,500.50 and 3,761.46 is: 5,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.93 : 15,500.50 = 3,761.46 : x
  2. Step 2: Convert to fraction form
    10,339.93/15,500.50 = 3,761.46/x
  3. Step 3: Cross multiply
    10,339.93x = 15,500.50 × 3,761.46
  4. Step 4: Simplify right side
    10,339.93x = 58,304,510.73
  5. Step 5: Solve for x
    x = 58,304,510.73/10,339.93
  6. Step 6: Final answer
    x = 5,638.78

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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.