Home / 10,679.77-16,008.93-3,654.97

Finding the Fourth Proportional to 10,679.77, 16,008.93 and 3,654.97

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Solution

The fourth proportional to 10,679.77, 16,008.93 and 3,654.97 is: 5,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.77 : 16,008.93 = 3,654.97 : x
  2. Step 2: Convert to fraction form
    10,679.77/16,008.93 = 3,654.97/x
  3. Step 3: Cross multiply
    10,679.77x = 16,008.93 × 3,654.97
  4. Step 4: Simplify right side
    10,679.77x = 58,512,158.88
  5. Step 5: Solve for x
    x = 58,512,158.88/10,679.77
  6. Step 6: Final answer
    x = 5,478.78

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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.