Home / 12,098.45-18,147.78-3,333.85

Finding the Fourth Proportional to 12,098.45, 18,147.78 and 3,333.85

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Solution

The fourth proportional to 12,098.45, 18,147.78 and 3,333.85 is: 5,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.45 : 18,147.78 = 3,333.85 : x
  2. Step 2: Convert to fraction form
    12,098.45/18,147.78 = 3,333.85/x
  3. Step 3: Cross multiply
    12,098.45x = 18,147.78 × 3,333.85
  4. Step 4: Simplify right side
    12,098.45x = 60,501,930.98
  5. Step 5: Solve for x
    x = 60,501,930.98/12,098.45
  6. Step 6: Final answer
    x = 5,000.80

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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.