Home / 10,278.07-15,425.84-4,042.44

Finding the Fourth Proportional to 10,278.07, 15,425.84 and 4,042.44

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Solution

The fourth proportional to 10,278.07, 15,425.84 and 4,042.44 is: 6,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.07 : 15,425.84 = 4,042.44 : x
  2. Step 2: Convert to fraction form
    10,278.07/15,425.84 = 4,042.44/x
  3. Step 3: Cross multiply
    10,278.07x = 15,425.84 × 4,042.44
  4. Step 4: Simplify right side
    10,278.07x = 62,358,042.76
  5. Step 5: Solve for x
    x = 62,358,042.76/10,278.07
  6. Step 6: Final answer
    x = 6,067.10

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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.