Home / 11,195.12-16,781.72-4,169.98

Finding the Fourth Proportional to 11,195.12, 16,781.72 and 4,169.98

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Solution

The fourth proportional to 11,195.12, 16,781.72 and 4,169.98 is: 6,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.12 : 16,781.72 = 4,169.98 : x
  2. Step 2: Convert to fraction form
    11,195.12/16,781.72 = 4,169.98/x
  3. Step 3: Cross multiply
    11,195.12x = 16,781.72 × 4,169.98
  4. Step 4: Simplify right side
    11,195.12x = 69,979,436.77
  5. Step 5: Solve for x
    x = 69,979,436.77/11,195.12
  6. Step 6: Final answer
    x = 6,250.89

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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.