Home / 10,877.16-16,286.46-5,672.04

Finding the Fourth Proportional to 10,877.16, 16,286.46 and 5,672.04

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Solution

The fourth proportional to 10,877.16, 16,286.46 and 5,672.04 is: 8,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.16 : 16,286.46 = 5,672.04 : x
  2. Step 2: Convert to fraction form
    10,877.16/16,286.46 = 5,672.04/x
  3. Step 3: Cross multiply
    10,877.16x = 16,286.46 × 5,672.04
  4. Step 4: Simplify right side
    10,877.16x = 92,377,452.58
  5. Step 5: Solve for x
    x = 92,377,452.58/10,877.16
  6. Step 6: Final answer
    x = 8,492.79

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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.