Home / 8,250.92-12,376.95-3,320.60

Finding the Fourth Proportional to 8,250.92, 12,376.95 and 3,320.60

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Solution

The fourth proportional to 8,250.92, 12,376.95 and 3,320.60 is: 4,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.92 : 12,376.95 = 3,320.60 : x
  2. Step 2: Convert to fraction form
    8,250.92/12,376.95 = 3,320.60/x
  3. Step 3: Cross multiply
    8,250.92x = 12,376.95 × 3,320.60
  4. Step 4: Simplify right side
    8,250.92x = 41,098,900.17
  5. Step 5: Solve for x
    x = 41,098,900.17/8,250.92
  6. Step 6: Final answer
    x = 4,981.13

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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.