Home / 10,915.52-16,376.92-4,672.88

Finding the Fourth Proportional to 10,915.52, 16,376.92 and 4,672.88

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Solution

The fourth proportional to 10,915.52, 16,376.92 and 4,672.88 is: 7,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.52 : 16,376.92 = 4,672.88 : x
  2. Step 2: Convert to fraction form
    10,915.52/16,376.92 = 4,672.88/x
  3. Step 3: Cross multiply
    10,915.52x = 16,376.92 × 4,672.88
  4. Step 4: Simplify right side
    10,915.52x = 76,527,381.93
  5. Step 5: Solve for x
    x = 76,527,381.93/10,915.52
  6. Step 6: Final answer
    x = 7,010.88

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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.