Home / 8,249.82-11,385.99-6,494.64

Finding the Fourth Proportional to 8,249.82, 11,385.99 and 6,494.64

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Solution

The fourth proportional to 8,249.82, 11,385.99 and 6,494.64 is: 8,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.82 : 11,385.99 = 6,494.64 : x
  2. Step 2: Convert to fraction form
    8,249.82/11,385.99 = 6,494.64/x
  3. Step 3: Cross multiply
    8,249.82x = 11,385.99 × 6,494.64
  4. Step 4: Simplify right side
    8,249.82x = 73,947,906.09
  5. Step 5: Solve for x
    x = 73,947,906.09/8,249.82
  6. Step 6: Final answer
    x = 8,963.58

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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.