Home / 12,234.75-18,352.17-3,000.75

Finding the Fourth Proportional to 12,234.75, 18,352.17 and 3,000.75

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Solution

The fourth proportional to 12,234.75, 18,352.17 and 3,000.75 is: 4,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.75 : 18,352.17 = 3,000.75 : x
  2. Step 2: Convert to fraction form
    12,234.75/18,352.17 = 3,000.75/x
  3. Step 3: Cross multiply
    12,234.75x = 18,352.17 × 3,000.75
  4. Step 4: Simplify right side
    12,234.75x = 55,070,274.13
  5. Step 5: Solve for x
    x = 55,070,274.13/12,234.75
  6. Step 6: Final answer
    x = 4,501.14

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Half scale
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Double scale
Find fourth proportional to 12,235.75, 18,353.67 and 3,001.75
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.