Home / 8,254.79-12,382.06-3,324.32

Finding the Fourth Proportional to 8,254.79, 12,382.06 and 3,324.32

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Solution

The fourth proportional to 8,254.79, 12,382.06 and 3,324.32 is: 4,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.79 : 12,382.06 = 3,324.32 : x
  2. Step 2: Convert to fraction form
    8,254.79/12,382.06 = 3,324.32/x
  3. Step 3: Cross multiply
    8,254.79x = 12,382.06 × 3,324.32
  4. Step 4: Simplify right side
    8,254.79x = 41,161,859.48
  5. Step 5: Solve for x
    x = 41,161,859.48/8,254.79
  6. Step 6: Final answer
    x = 4,986.42

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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.