Home / 10,531.23-15,796.68-3,135.73

Finding the Fourth Proportional to 10,531.23, 15,796.68 and 3,135.73

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Solution

The fourth proportional to 10,531.23, 15,796.68 and 3,135.73 is: 4,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.23 : 15,796.68 = 3,135.73 : x
  2. Step 2: Convert to fraction form
    10,531.23/15,796.68 = 3,135.73/x
  3. Step 3: Cross multiply
    10,531.23x = 15,796.68 × 3,135.73
  4. Step 4: Simplify right side
    10,531.23x = 49,534,123.38
  5. Step 5: Solve for x
    x = 49,534,123.38/10,531.23
  6. Step 6: Final answer
    x = 4,703.55

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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.