Home / 8,125.92-12,187.80-2,283.12

Finding the Fourth Proportional to 8,125.92, 12,187.80 and 2,283.12

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Solution

The fourth proportional to 8,125.92, 12,187.80 and 2,283.12 is: 3,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.92 : 12,187.80 = 2,283.12 : x
  2. Step 2: Convert to fraction form
    8,125.92/12,187.80 = 2,283.12/x
  3. Step 3: Cross multiply
    8,125.92x = 12,187.80 × 2,283.12
  4. Step 4: Simplify right side
    8,125.92x = 27,826,209.94
  5. Step 5: Solve for x
    x = 27,826,209.94/8,125.92
  6. Step 6: Final answer
    x = 3,424.38

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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.