Home / 10,589.88-15,885.30-3,664.92

Finding the Fourth Proportional to 10,589.88, 15,885.30 and 3,664.92

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Solution

The fourth proportional to 10,589.88, 15,885.30 and 3,664.92 is: 5,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.88 : 15,885.30 = 3,664.92 : x
  2. Step 2: Convert to fraction form
    10,589.88/15,885.30 = 3,664.92/x
  3. Step 3: Cross multiply
    10,589.88x = 15,885.30 × 3,664.92
  4. Step 4: Simplify right side
    10,589.88x = 58,218,353.68
  5. Step 5: Solve for x
    x = 58,218,353.68/10,589.88
  6. Step 6: Final answer
    x = 5,497.55

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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.