Home / 11,414.20-17,120.22-3,622.36

Finding the Fourth Proportional to 11,414.20, 17,120.22 and 3,622.36

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Solution

The fourth proportional to 11,414.20, 17,120.22 and 3,622.36 is: 5,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.20 : 17,120.22 = 3,622.36 : x
  2. Step 2: Convert to fraction form
    11,414.20/17,120.22 = 3,622.36/x
  3. Step 3: Cross multiply
    11,414.20x = 17,120.22 × 3,622.36
  4. Step 4: Simplify right side
    11,414.20x = 62,015,600.12
  5. Step 5: Solve for x
    x = 62,015,600.12/11,414.20
  6. Step 6: Final answer
    x = 5,433.20

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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.