Home / 10,073.20-15,109.78-2,677.66

Finding the Fourth Proportional to 10,073.20, 15,109.78 and 2,677.66

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Solution

The fourth proportional to 10,073.20, 15,109.78 and 2,677.66 is: 4,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.20 : 15,109.78 = 2,677.66 : x
  2. Step 2: Convert to fraction form
    10,073.20/15,109.78 = 2,677.66/x
  3. Step 3: Cross multiply
    10,073.20x = 15,109.78 × 2,677.66
  4. Step 4: Simplify right side
    10,073.20x = 40,458,764.58
  5. Step 5: Solve for x
    x = 40,458,764.58/10,073.20
  6. Step 6: Final answer
    x = 4,016.48

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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.