Home / 11,968.66-17,961.20-4,177.48

Finding the Fourth Proportional to 11,968.66, 17,961.20 and 4,177.48

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Solution

The fourth proportional to 11,968.66, 17,961.20 and 4,177.48 is: 6,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.66 : 17,961.20 = 4,177.48 : x
  2. Step 2: Convert to fraction form
    11,968.66/17,961.20 = 4,177.48/x
  3. Step 3: Cross multiply
    11,968.66x = 17,961.20 × 4,177.48
  4. Step 4: Simplify right side
    11,968.66x = 75,032,553.78
  5. Step 5: Solve for x
    x = 75,032,553.78/11,968.66
  6. Step 6: Final answer
    x = 6,269.09

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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.