Home / 12,331.83-18,497.76-3,097.83

Finding the Fourth Proportional to 12,331.83, 18,497.76 and 3,097.83

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Solution

The fourth proportional to 12,331.83, 18,497.76 and 3,097.83 is: 4,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.83 : 18,497.76 = 3,097.83 : x
  2. Step 2: Convert to fraction form
    12,331.83/18,497.76 = 3,097.83/x
  3. Step 3: Cross multiply
    12,331.83x = 18,497.76 × 3,097.83
  4. Step 4: Simplify right side
    12,331.83x = 57,302,915.86
  5. Step 5: Solve for x
    x = 57,302,915.86/12,331.83
  6. Step 6: Final answer
    x = 4,646.75

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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.