Home / 12,226.14-18,339.21-3,461.10

Finding the Fourth Proportional to 12,226.14, 18,339.21 and 3,461.10

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Solution

The fourth proportional to 12,226.14, 18,339.21 and 3,461.10 is: 5,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.14 : 18,339.21 = 3,461.10 : x
  2. Step 2: Convert to fraction form
    12,226.14/18,339.21 = 3,461.10/x
  3. Step 3: Cross multiply
    12,226.14x = 18,339.21 × 3,461.10
  4. Step 4: Simplify right side
    12,226.14x = 63,473,839.73
  5. Step 5: Solve for x
    x = 63,473,839.73/12,226.14
  6. Step 6: Final answer
    x = 5,191.65

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Half scale
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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.