Home / 11,701.53-17,553.38-3,911.49

Finding the Fourth Proportional to 11,701.53, 17,553.38 and 3,911.49

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Solution

The fourth proportional to 11,701.53, 17,553.38 and 3,911.49 is: 5,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.53 : 17,553.38 = 3,911.49 : x
  2. Step 2: Convert to fraction form
    11,701.53/17,553.38 = 3,911.49/x
  3. Step 3: Cross multiply
    11,701.53x = 17,553.38 × 3,911.49
  4. Step 4: Simplify right side
    11,701.53x = 68,659,850.78
  5. Step 5: Solve for x
    x = 68,659,850.78/11,701.53
  6. Step 6: Final answer
    x = 5,867.60

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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.