Home / 10,092.75-15,139.67-3,167.79

Finding the Fourth Proportional to 10,092.75, 15,139.67 and 3,167.79

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Solution

The fourth proportional to 10,092.75, 15,139.67 and 3,167.79 is: 4,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.75 : 15,139.67 = 3,167.79 : x
  2. Step 2: Convert to fraction form
    10,092.75/15,139.67 = 3,167.79/x
  3. Step 3: Cross multiply
    10,092.75x = 15,139.67 × 3,167.79
  4. Step 4: Simplify right side
    10,092.75x = 47,959,279.39
  5. Step 5: Solve for x
    x = 47,959,279.39/10,092.75
  6. Step 6: Final answer
    x = 4,751.85

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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.