Home / 10,910.88-16,369.56-4,249.44

Finding the Fourth Proportional to 10,910.88, 16,369.56 and 4,249.44

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Solution

The fourth proportional to 10,910.88, 16,369.56 and 4,249.44 is: 6,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.88 : 16,369.56 = 4,249.44 : x
  2. Step 2: Convert to fraction form
    10,910.88/16,369.56 = 4,249.44/x
  3. Step 3: Cross multiply
    10,910.88x = 16,369.56 × 4,249.44
  4. Step 4: Simplify right side
    10,910.88x = 69,561,463.05
  5. Step 5: Solve for x
    x = 69,561,463.05/10,910.88
  6. Step 6: Final answer
    x = 6,375.42

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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.