Home / 11,414.40-17,124.60-3,623.20

Finding the Fourth Proportional to 11,414.40, 17,124.60 and 3,623.20

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Solution

The fourth proportional to 11,414.40, 17,124.60 and 3,623.20 is: 5,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.40 : 17,124.60 = 3,623.20 : x
  2. Step 2: Convert to fraction form
    11,414.40/17,124.60 = 3,623.20/x
  3. Step 3: Cross multiply
    11,414.40x = 17,124.60 × 3,623.20
  4. Step 4: Simplify right side
    11,414.40x = 62,045,850.72
  5. Step 5: Solve for x
    x = 62,045,850.72/11,414.40
  6. Step 6: Final answer
    x = 5,435.75

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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.