Home / 11,702.28-17,553.90-3,911.16

Finding the Fourth Proportional to 11,702.28, 17,553.90 and 3,911.16

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Solution

The fourth proportional to 11,702.28, 17,553.90 and 3,911.16 is: 5,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.28 : 17,553.90 = 3,911.16 : x
  2. Step 2: Convert to fraction form
    11,702.28/17,553.90 = 3,911.16/x
  3. Step 3: Cross multiply
    11,702.28x = 17,553.90 × 3,911.16
  4. Step 4: Simplify right side
    11,702.28x = 68,656,111.52
  5. Step 5: Solve for x
    x = 68,656,111.52/11,702.28
  6. Step 6: Final answer
    x = 5,866.90

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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.