Home / 11,540.20-17,297.94-8,243.29

Finding the Fourth Proportional to 11,540.20, 17,297.94 and 8,243.29

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Solution

The fourth proportional to 11,540.20, 17,297.94 and 8,243.29 is: 12,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.20 : 17,297.94 = 8,243.29 : x
  2. Step 2: Convert to fraction form
    11,540.20/17,297.94 = 8,243.29/x
  3. Step 3: Cross multiply
    11,540.20x = 17,297.94 × 8,243.29
  4. Step 4: Simplify right side
    11,540.20x = 142,591,935.82
  5. Step 5: Solve for x
    x = 142,591,935.82/11,540.20
  6. Step 6: Final answer
    x = 12,356.11

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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.