Home / 8,568.76-12,855.66-2,725.24

Finding the Fourth Proportional to 8,568.76, 12,855.66 and 2,725.24

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Solution

The fourth proportional to 8,568.76, 12,855.66 and 2,725.24 is: 4,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.76 : 12,855.66 = 2,725.24 : x
  2. Step 2: Convert to fraction form
    8,568.76/12,855.66 = 2,725.24/x
  3. Step 3: Cross multiply
    8,568.76x = 12,855.66 × 2,725.24
  4. Step 4: Simplify right side
    8,568.76x = 35,034,758.86
  5. Step 5: Solve for x
    x = 35,034,758.86/8,568.76
  6. Step 6: Final answer
    x = 4,088.66

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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.