Home / 10,750.38-16,121.42-4,175.70

Finding the Fourth Proportional to 10,750.38, 16,121.42 and 4,175.70

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Solution

The fourth proportional to 10,750.38, 16,121.42 and 4,175.70 is: 6,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.38 : 16,121.42 = 4,175.70 : x
  2. Step 2: Convert to fraction form
    10,750.38/16,121.42 = 4,175.70/x
  3. Step 3: Cross multiply
    10,750.38x = 16,121.42 × 4,175.70
  4. Step 4: Simplify right side
    10,750.38x = 67,318,132.89
  5. Step 5: Solve for x
    x = 67,318,132.89/10,750.38
  6. Step 6: Final answer
    x = 6,261.93

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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.