Home / 11,331.40-16,997.10-3,540.24

Finding the Fourth Proportional to 11,331.40, 16,997.10 and 3,540.24

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Solution

The fourth proportional to 11,331.40, 16,997.10 and 3,540.24 is: 5,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.40 : 16,997.10 = 3,540.24 : x
  2. Step 2: Convert to fraction form
    11,331.40/16,997.10 = 3,540.24/x
  3. Step 3: Cross multiply
    11,331.40x = 16,997.10 × 3,540.24
  4. Step 4: Simplify right side
    11,331.40x = 60,173,813.30
  5. Step 5: Solve for x
    x = 60,173,813.30/11,331.40
  6. Step 6: Final answer
    x = 5,310.36

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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.