Home / 8,243.15-12,365.80-2,694.53

Finding the Fourth Proportional to 8,243.15, 12,365.80 and 2,694.53

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Solution

The fourth proportional to 8,243.15, 12,365.80 and 2,694.53 is: 4,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.15 : 12,365.80 = 2,694.53 : x
  2. Step 2: Convert to fraction form
    8,243.15/12,365.80 = 2,694.53/x
  3. Step 3: Cross multiply
    8,243.15x = 12,365.80 × 2,694.53
  4. Step 4: Simplify right side
    8,243.15x = 33,320,043.25
  5. Step 5: Solve for x
    x = 33,320,043.25/8,243.15
  6. Step 6: Final answer
    x = 4,042.15

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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.