Home / 12,582.92-18,872.94-4,262.96

Finding the Fourth Proportional to 12,582.92, 18,872.94 and 4,262.96

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Solution

The fourth proportional to 12,582.92, 18,872.94 and 4,262.96 is: 6,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.92 : 18,872.94 = 4,262.96 : x
  2. Step 2: Convert to fraction form
    12,582.92/18,872.94 = 4,262.96/x
  3. Step 3: Cross multiply
    12,582.92x = 18,872.94 × 4,262.96
  4. Step 4: Simplify right side
    12,582.92x = 80,454,588.30
  5. Step 5: Solve for x
    x = 80,454,588.30/12,582.92
  6. Step 6: Final answer
    x = 6,393.95

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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.