Home / 8,631.94-12,949.58-3,366.74

Finding the Fourth Proportional to 8,631.94, 12,949.58 and 3,366.74

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Solution

The fourth proportional to 8,631.94, 12,949.58 and 3,366.74 is: 5,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.94 : 12,949.58 = 3,366.74 : x
  2. Step 2: Convert to fraction form
    8,631.94/12,949.58 = 3,366.74/x
  3. Step 3: Cross multiply
    8,631.94x = 12,949.58 × 3,366.74
  4. Step 4: Simplify right side
    8,631.94x = 43,597,861.20
  5. Step 5: Solve for x
    x = 43,597,861.20/8,631.94
  6. Step 6: Final answer
    x = 5,050.76

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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.