Home / 11,331.74-16,997.94-5,409.24

Finding the Fourth Proportional to 11,331.74, 16,997.94 and 5,409.24

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Solution

The fourth proportional to 11,331.74, 16,997.94 and 5,409.24 is: 8,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.74 : 16,997.94 = 5,409.24 : x
  2. Step 2: Convert to fraction form
    11,331.74/16,997.94 = 5,409.24/x
  3. Step 3: Cross multiply
    11,331.74x = 16,997.94 × 5,409.24
  4. Step 4: Simplify right side
    11,331.74x = 91,945,936.97
  5. Step 5: Solve for x
    x = 91,945,936.97/11,331.74
  6. Step 6: Final answer
    x = 8,114.02

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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.