Home / 10,363.86-15,548.10-3,789.90

Finding the Fourth Proportional to 10,363.86, 15,548.10 and 3,789.90

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Solution

The fourth proportional to 10,363.86, 15,548.10 and 3,789.90 is: 5,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.86 : 15,548.10 = 3,789.90 : x
  2. Step 2: Convert to fraction form
    10,363.86/15,548.10 = 3,789.90/x
  3. Step 3: Cross multiply
    10,363.86x = 15,548.10 × 3,789.90
  4. Step 4: Simplify right side
    10,363.86x = 58,925,744.19
  5. Step 5: Solve for x
    x = 58,925,744.19/10,363.86
  6. Step 6: Final answer
    x = 5,685.69

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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.