Home / 8,243.20-12,366.76-2,696.99

Finding the Fourth Proportional to 8,243.20, 12,366.76 and 2,696.99

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Solution

The fourth proportional to 8,243.20, 12,366.76 and 2,696.99 is: 4,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.20 : 12,366.76 = 2,696.99 : x
  2. Step 2: Convert to fraction form
    8,243.20/12,366.76 = 2,696.99/x
  3. Step 3: Cross multiply
    8,243.20x = 12,366.76 × 2,696.99
  4. Step 4: Simplify right side
    8,243.20x = 33,353,052.23
  5. Step 5: Solve for x
    x = 33,353,052.23/8,243.20
  6. Step 6: Final answer
    x = 4,046.13

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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.