Home / 8,819.68-12,171.32-4,841.18

Finding the Fourth Proportional to 8,819.68, 12,171.32 and 4,841.18

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Solution

The fourth proportional to 8,819.68, 12,171.32 and 4,841.18 is: 6,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.68 : 12,171.32 = 4,841.18 : x
  2. Step 2: Convert to fraction form
    8,819.68/12,171.32 = 4,841.18/x
  3. Step 3: Cross multiply
    8,819.68x = 12,171.32 × 4,841.18
  4. Step 4: Simplify right side
    8,819.68x = 58,923,550.96
  5. Step 5: Solve for x
    x = 58,923,550.96/8,819.68
  6. Step 6: Final answer
    x = 6,680.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.