Home / 10,278.29-15,426.25-4,042.71

Finding the Fourth Proportional to 10,278.29, 15,426.25 and 4,042.71

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Solution

The fourth proportional to 10,278.29, 15,426.25 and 4,042.71 is: 6,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.29 : 15,426.25 = 4,042.71 : x
  2. Step 2: Convert to fraction form
    10,278.29/15,426.25 = 4,042.71/x
  3. Step 3: Cross multiply
    10,278.29x = 15,426.25 × 4,042.71
  4. Step 4: Simplify right side
    10,278.29x = 62,363,845.03
  5. Step 5: Solve for x
    x = 62,363,845.03/10,278.29
  6. Step 6: Final answer
    x = 6,067.53

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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.