Home / 11,422.14-17,133.24-3,630.78

Finding the Fourth Proportional to 11,422.14, 17,133.24 and 3,630.78

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Solution

The fourth proportional to 11,422.14, 17,133.24 and 3,630.78 is: 5,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.14 : 17,133.24 = 3,630.78 : x
  2. Step 2: Convert to fraction form
    11,422.14/17,133.24 = 3,630.78/x
  3. Step 3: Cross multiply
    11,422.14x = 17,133.24 × 3,630.78
  4. Step 4: Simplify right side
    11,422.14x = 62,207,025.13
  5. Step 5: Solve for x
    x = 62,207,025.13/11,422.14
  6. Step 6: Final answer
    x = 5,446.18

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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.