Home / 12,299.49-18,451.97-3,533.73

Finding the Fourth Proportional to 12,299.49, 18,451.97 and 3,533.73

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Solution

The fourth proportional to 12,299.49, 18,451.97 and 3,533.73 is: 5,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.49 : 18,451.97 = 3,533.73 : x
  2. Step 2: Convert to fraction form
    12,299.49/18,451.97 = 3,533.73/x
  3. Step 3: Cross multiply
    12,299.49x = 18,451.97 × 3,533.73
  4. Step 4: Simplify right side
    12,299.49x = 65,204,279.95
  5. Step 5: Solve for x
    x = 65,204,279.95/12,299.49
  6. Step 6: Final answer
    x = 5,301.38

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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.