Home / 11,463.39-17,195.58-3,143.21

Finding the Fourth Proportional to 11,463.39, 17,195.58 and 3,143.21

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Solution

The fourth proportional to 11,463.39, 17,195.58 and 3,143.21 is: 4,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.39 : 17,195.58 = 3,143.21 : x
  2. Step 2: Convert to fraction form
    11,463.39/17,195.58 = 3,143.21/x
  3. Step 3: Cross multiply
    11,463.39x = 17,195.58 × 3,143.21
  4. Step 4: Simplify right side
    11,463.39x = 54,049,233.03
  5. Step 5: Solve for x
    x = 54,049,233.03/11,463.39
  6. Step 6: Final answer
    x = 4,714.94

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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.