Home / 11,422.60-17,140.38-6,234.28

Finding the Fourth Proportional to 11,422.60, 17,140.38 and 6,234.28

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Solution

The fourth proportional to 11,422.60, 17,140.38 and 6,234.28 is: 9,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.60 : 17,140.38 = 6,234.28 : x
  2. Step 2: Convert to fraction form
    11,422.60/17,140.38 = 6,234.28/x
  3. Step 3: Cross multiply
    11,422.60x = 17,140.38 × 6,234.28
  4. Step 4: Simplify right side
    11,422.60x = 106,857,928.23
  5. Step 5: Solve for x
    x = 106,857,928.23/11,422.60
  6. Step 6: Final answer
    x = 9,354.96

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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.