Home / 10,590.97-15,876.12-5,042.82

Finding the Fourth Proportional to 10,590.97, 15,876.12 and 5,042.82

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Solution

The fourth proportional to 10,590.97, 15,876.12 and 5,042.82 is: 7,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.97 : 15,876.12 = 5,042.82 : x
  2. Step 2: Convert to fraction form
    10,590.97/15,876.12 = 5,042.82/x
  3. Step 3: Cross multiply
    10,590.97x = 15,876.12 × 5,042.82
  4. Step 4: Simplify right side
    10,590.97x = 80,060,415.46
  5. Step 5: Solve for x
    x = 80,060,415.46/10,590.97
  6. Step 6: Final answer
    x = 7,559.31

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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.