Home / 8,225.43-12,344.49-3,298.20

Finding the Fourth Proportional to 8,225.43, 12,344.49 and 3,298.20

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Solution

The fourth proportional to 8,225.43, 12,344.49 and 3,298.20 is: 4,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.43 : 12,344.49 = 3,298.20 : x
  2. Step 2: Convert to fraction form
    8,225.43/12,344.49 = 3,298.20/x
  3. Step 3: Cross multiply
    8,225.43x = 12,344.49 × 3,298.20
  4. Step 4: Simplify right side
    8,225.43x = 40,714,596.92
  5. Step 5: Solve for x
    x = 40,714,596.92/8,225.43
  6. Step 6: Final answer
    x = 4,949.84

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Half scale
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Double scale
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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.