Home / 10,767.20-16,154.91-4,197.96

Finding the Fourth Proportional to 10,767.20, 16,154.91 and 4,197.96

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Solution

The fourth proportional to 10,767.20, 16,154.91 and 4,197.96 is: 6,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,767.20 : 16,154.91 = 4,197.96 : x
  2. Step 2: Convert to fraction form
    10,767.20/16,154.91 = 4,197.96/x
  3. Step 3: Cross multiply
    10,767.20x = 16,154.91 × 4,197.96
  4. Step 4: Simplify right side
    10,767.20x = 67,817,665.98
  5. Step 5: Solve for x
    x = 67,817,665.98/10,767.20
  6. Step 6: Final answer
    x = 6,298.55

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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.