Home / 11,249.31-16,864.85-4,680.41

Finding the Fourth Proportional to 11,249.31, 16,864.85 and 4,680.41

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Solution

The fourth proportional to 11,249.31, 16,864.85 and 4,680.41 is: 7,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.31 : 16,864.85 = 4,680.41 : x
  2. Step 2: Convert to fraction form
    11,249.31/16,864.85 = 4,680.41/x
  3. Step 3: Cross multiply
    11,249.31x = 16,864.85 × 4,680.41
  4. Step 4: Simplify right side
    11,249.31x = 78,934,354.49
  5. Step 5: Solve for x
    x = 78,934,354.49/11,249.31
  6. Step 6: Final answer
    x = 7,016.82

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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.