Home / 8,257.28-12,359.16-6,065.52

Finding the Fourth Proportional to 8,257.28, 12,359.16 and 6,065.52

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Solution

The fourth proportional to 8,257.28, 12,359.16 and 6,065.52 is: 9,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.28 : 12,359.16 = 6,065.52 : x
  2. Step 2: Convert to fraction form
    8,257.28/12,359.16 = 6,065.52/x
  3. Step 3: Cross multiply
    8,257.28x = 12,359.16 × 6,065.52
  4. Step 4: Simplify right side
    8,257.28x = 74,964,732.16
  5. Step 5: Solve for x
    x = 74,964,732.16/8,257.28
  6. Step 6: Final answer
    x = 9,078.62

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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.