Home / 8,249.14-11,380.82-5,418.04

Finding the Fourth Proportional to 8,249.14, 11,380.82 and 5,418.04

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Solution

The fourth proportional to 8,249.14, 11,380.82 and 5,418.04 is: 7,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.14 : 11,380.82 = 5,418.04 : x
  2. Step 2: Convert to fraction form
    8,249.14/11,380.82 = 5,418.04/x
  3. Step 3: Cross multiply
    8,249.14x = 11,380.82 × 5,418.04
  4. Step 4: Simplify right side
    8,249.14x = 61,661,737.99
  5. Step 5: Solve for x
    x = 61,661,737.99/8,249.14
  6. Step 6: Final answer
    x = 7,474.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.