Home / 8,253.90-12,382.38-2,707.56

Finding the Fourth Proportional to 8,253.90, 12,382.38 and 2,707.56

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Solution

The fourth proportional to 8,253.90, 12,382.38 and 2,707.56 is: 4,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.90 : 12,382.38 = 2,707.56 : x
  2. Step 2: Convert to fraction form
    8,253.90/12,382.38 = 2,707.56/x
  3. Step 3: Cross multiply
    8,253.90x = 12,382.38 × 2,707.56
  4. Step 4: Simplify right side
    8,253.90x = 33,526,036.79
  5. Step 5: Solve for x
    x = 33,526,036.79/8,253.90
  6. Step 6: Final answer
    x = 4,061.84

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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.