Home / 10,962.38-16,446.04-3,171.80

Finding the Fourth Proportional to 10,962.38, 16,446.04 and 3,171.80

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Solution

The fourth proportional to 10,962.38, 16,446.04 and 3,171.80 is: 4,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.38 : 16,446.04 = 3,171.80 : x
  2. Step 2: Convert to fraction form
    10,962.38/16,446.04 = 3,171.80/x
  3. Step 3: Cross multiply
    10,962.38x = 16,446.04 × 3,171.80
  4. Step 4: Simplify right side
    10,962.38x = 52,163,549.67
  5. Step 5: Solve for x
    x = 52,163,549.67/10,962.38
  6. Step 6: Final answer
    x = 4,758.41

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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.