Home / 11,249.52-16,865.15-4,680.62

Finding the Fourth Proportional to 11,249.52, 16,865.15 and 4,680.62

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Solution

The fourth proportional to 11,249.52, 16,865.15 and 4,680.62 is: 7,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.52 : 16,865.15 = 4,680.62 : x
  2. Step 2: Convert to fraction form
    11,249.52/16,865.15 = 4,680.62/x
  3. Step 3: Cross multiply
    11,249.52x = 16,865.15 × 4,680.62
  4. Step 4: Simplify right side
    11,249.52x = 78,939,313.91
  5. Step 5: Solve for x
    x = 78,939,313.91/11,249.52
  6. Step 6: Final answer
    x = 7,017.13

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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.