Home / 10,429.62-15,649.11-4,587.90

Finding the Fourth Proportional to 10,429.62, 15,649.11 and 4,587.90

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Solution

The fourth proportional to 10,429.62, 15,649.11 and 4,587.90 is: 6,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.62 : 15,649.11 = 4,587.90 : x
  2. Step 2: Convert to fraction form
    10,429.62/15,649.11 = 4,587.90/x
  3. Step 3: Cross multiply
    10,429.62x = 15,649.11 × 4,587.90
  4. Step 4: Simplify right side
    10,429.62x = 71,796,551.77
  5. Step 5: Solve for x
    x = 71,796,551.77/10,429.62
  6. Step 6: Final answer
    x = 6,883.91

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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.