Home / 8,097.12-12,143.48-3,479.04

Finding the Fourth Proportional to 8,097.12, 12,143.48 and 3,479.04

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Solution

The fourth proportional to 8,097.12, 12,143.48 and 3,479.04 is: 5,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,097.12 : 12,143.48 = 3,479.04 : x
  2. Step 2: Convert to fraction form
    8,097.12/12,143.48 = 3,479.04/x
  3. Step 3: Cross multiply
    8,097.12x = 12,143.48 × 3,479.04
  4. Step 4: Simplify right side
    8,097.12x = 42,247,652.66
  5. Step 5: Solve for x
    x = 42,247,652.66/8,097.12
  6. Step 6: Final answer
    x = 5,217.61

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1.5x scale

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.