Home / 11,414.72-17,121.90-3,623.44

Finding the Fourth Proportional to 11,414.72, 17,121.90 and 3,623.44

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Solution

The fourth proportional to 11,414.72, 17,121.90 and 3,623.44 is: 5,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.72 : 17,121.90 = 3,623.44 : x
  2. Step 2: Convert to fraction form
    11,414.72/17,121.90 = 3,623.44/x
  3. Step 3: Cross multiply
    11,414.72x = 17,121.90 × 3,623.44
  4. Step 4: Simplify right side
    11,414.72x = 62,040,177.34
  5. Step 5: Solve for x
    x = 62,040,177.34/11,414.72
  6. Step 6: Final answer
    x = 5,435.10

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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.