Home / 8,249.18-11,383.85-4,712.31

Finding the Fourth Proportional to 8,249.18, 11,383.85 and 4,712.31

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Solution

The fourth proportional to 8,249.18, 11,383.85 and 4,712.31 is: 6,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.18 : 11,383.85 = 4,712.31 : x
  2. Step 2: Convert to fraction form
    8,249.18/11,383.85 = 4,712.31/x
  3. Step 3: Cross multiply
    8,249.18x = 11,383.85 × 4,712.31
  4. Step 4: Simplify right side
    8,249.18x = 53,644,241.97
  5. Step 5: Solve for x
    x = 53,644,241.97/8,249.18
  6. Step 6: Final answer
    x = 6,502.98

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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.