Home / 11,489.28-17,224.32-10,944.96

Finding the Fourth Proportional to 11,489.28, 17,224.32 and 10,944.96

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Solution

The fourth proportional to 11,489.28, 17,224.32 and 10,944.96 is: 16,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.28 : 17,224.32 = 10,944.96 : x
  2. Step 2: Convert to fraction form
    11,489.28/17,224.32 = 10,944.96/x
  3. Step 3: Cross multiply
    11,489.28x = 17,224.32 × 10,944.96
  4. Step 4: Simplify right side
    11,489.28x = 188,519,493.43
  5. Step 5: Solve for x
    x = 188,519,493.43/11,489.28
  6. Step 6: Final answer
    x = 16,408.29

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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.