Home / 10,398.17-15,587.93-3,819.75

Finding the Fourth Proportional to 10,398.17, 15,587.93 and 3,819.75

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Solution

The fourth proportional to 10,398.17, 15,587.93 and 3,819.75 is: 5,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.17 : 15,587.93 = 3,819.75 : x
  2. Step 2: Convert to fraction form
    10,398.17/15,587.93 = 3,819.75/x
  3. Step 3: Cross multiply
    10,398.17x = 15,587.93 × 3,819.75
  4. Step 4: Simplify right side
    10,398.17x = 59,542,005.17
  5. Step 5: Solve for x
    x = 59,542,005.17/10,398.17
  6. Step 6: Final answer
    x = 5,726.20

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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.