Home / 11,165.13-16,749.42-3,769.02

Finding the Fourth Proportional to 11,165.13, 16,749.42 and 3,769.02

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Solution

The fourth proportional to 11,165.13, 16,749.42 and 3,769.02 is: 5,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.13 : 16,749.42 = 3,769.02 : x
  2. Step 2: Convert to fraction form
    11,165.13/16,749.42 = 3,769.02/x
  3. Step 3: Cross multiply
    11,165.13x = 16,749.42 × 3,769.02
  4. Step 4: Simplify right side
    11,165.13x = 63,128,898.97
  5. Step 5: Solve for x
    x = 63,128,898.97/11,165.13
  6. Step 6: Final answer
    x = 5,654.11

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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.