Home / 11,251.12-16,872.12-4,133.68

Finding the Fourth Proportional to 11,251.12, 16,872.12 and 4,133.68

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Solution

The fourth proportional to 11,251.12, 16,872.12 and 4,133.68 is: 6,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.12 : 16,872.12 = 4,133.68 : x
  2. Step 2: Convert to fraction form
    11,251.12/16,872.12 = 4,133.68/x
  3. Step 3: Cross multiply
    11,251.12x = 16,872.12 × 4,133.68
  4. Step 4: Simplify right side
    11,251.12x = 69,743,945.00
  5. Step 5: Solve for x
    x = 69,743,945.00/11,251.12
  6. Step 6: Final answer
    x = 6,198.84

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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.