Home / 12,584.91-18,850.68-8,617.56

Finding the Fourth Proportional to 12,584.91, 18,850.68 and 8,617.56

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Solution

The fourth proportional to 12,584.91, 18,850.68 and 8,617.56 is: 12,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.91 : 18,850.68 = 8,617.56 : x
  2. Step 2: Convert to fraction form
    12,584.91/18,850.68 = 8,617.56/x
  3. Step 3: Cross multiply
    12,584.91x = 18,850.68 × 8,617.56
  4. Step 4: Simplify right side
    12,584.91x = 162,446,865.94
  5. Step 5: Solve for x
    x = 162,446,865.94/12,584.91
  6. Step 6: Final answer
    x = 12,908.07

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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.