Home / 8,244.12-12,364.56-3,311.22

Finding the Fourth Proportional to 8,244.12, 12,364.56 and 3,311.22

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Solution

The fourth proportional to 8,244.12, 12,364.56 and 3,311.22 is: 4,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.12 : 12,364.56 = 3,311.22 : x
  2. Step 2: Convert to fraction form
    8,244.12/12,364.56 = 3,311.22/x
  3. Step 3: Cross multiply
    8,244.12x = 12,364.56 × 3,311.22
  4. Step 4: Simplify right side
    8,244.12x = 40,941,778.36
  5. Step 5: Solve for x
    x = 40,941,778.36/8,244.12
  6. Step 6: Final answer
    x = 4,966.18

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Double scale
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Similar ratio
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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.