Home / 11,966.10-17,957.35-4,174.91

Finding the Fourth Proportional to 11,966.10, 17,957.35 and 4,174.91

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Solution

The fourth proportional to 11,966.10, 17,957.35 and 4,174.91 is: 6,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.10 : 17,957.35 = 4,174.91 : x
  2. Step 2: Convert to fraction form
    11,966.10/17,957.35 = 4,174.91/x
  3. Step 3: Cross multiply
    11,966.10x = 17,957.35 × 4,174.91
  4. Step 4: Simplify right side
    11,966.10x = 74,970,279.38
  5. Step 5: Solve for x
    x = 74,970,279.38/11,966.10
  6. Step 6: Final answer
    x = 6,265.22

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1.5x scale

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.