Home / 10,552.38-15,830.82-3,157.44

Finding the Fourth Proportional to 10,552.38, 15,830.82 and 3,157.44

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Solution

The fourth proportional to 10,552.38, 15,830.82 and 3,157.44 is: 4,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.38 : 15,830.82 = 3,157.44 : x
  2. Step 2: Convert to fraction form
    10,552.38/15,830.82 = 3,157.44/x
  3. Step 3: Cross multiply
    10,552.38x = 15,830.82 × 3,157.44
  4. Step 4: Simplify right side
    10,552.38x = 49,984,864.30
  5. Step 5: Solve for x
    x = 49,984,864.30/10,552.38
  6. Step 6: Final answer
    x = 4,736.83

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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.