Home / 10,249.72-15,361.80-4,399.54

Finding the Fourth Proportional to 10,249.72, 15,361.80 and 4,399.54

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Solution

The fourth proportional to 10,249.72, 15,361.80 and 4,399.54 is: 6,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.72 : 15,361.80 = 4,399.54 : x
  2. Step 2: Convert to fraction form
    10,249.72/15,361.80 = 4,399.54/x
  3. Step 3: Cross multiply
    10,249.72x = 15,361.80 × 4,399.54
  4. Step 4: Simplify right side
    10,249.72x = 67,584,853.57
  5. Step 5: Solve for x
    x = 67,584,853.57/10,249.72
  6. Step 6: Final answer
    x = 6,593.82

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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.