Home / 10,747.15-16,114.93-3,249.68

Finding the Fourth Proportional to 10,747.15, 16,114.93 and 3,249.68

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Solution

The fourth proportional to 10,747.15, 16,114.93 and 3,249.68 is: 4,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.15 : 16,114.93 = 3,249.68 : x
  2. Step 2: Convert to fraction form
    10,747.15/16,114.93 = 3,249.68/x
  3. Step 3: Cross multiply
    10,747.15x = 16,114.93 × 3,249.68
  4. Step 4: Simplify right side
    10,747.15x = 52,368,365.72
  5. Step 5: Solve for x
    x = 52,368,365.72/10,747.15
  6. Step 6: Final answer
    x = 4,872.77

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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.