Home / 8,382.88-12,576.12-2,835.96

Finding the Fourth Proportional to 8,382.88, 12,576.12 and 2,835.96

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Solution

The fourth proportional to 8,382.88, 12,576.12 and 2,835.96 is: 4,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.88 : 12,576.12 = 2,835.96 : x
  2. Step 2: Convert to fraction form
    8,382.88/12,576.12 = 2,835.96/x
  3. Step 3: Cross multiply
    8,382.88x = 12,576.12 × 2,835.96
  4. Step 4: Simplify right side
    8,382.88x = 35,665,373.28
  5. Step 5: Solve for x
    x = 35,665,373.28/8,382.88
  6. Step 6: Final answer
    x = 4,254.55

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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.