Home / 11,186.75-16,769.68-3,786.05

Finding the Fourth Proportional to 11,186.75, 16,769.68 and 3,786.05

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Solution

The fourth proportional to 11,186.75, 16,769.68 and 3,786.05 is: 5,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.75 : 16,769.68 = 3,786.05 : x
  2. Step 2: Convert to fraction form
    11,186.75/16,769.68 = 3,786.05/x
  3. Step 3: Cross multiply
    11,186.75x = 16,769.68 × 3,786.05
  4. Step 4: Simplify right side
    11,186.75x = 63,490,879.42
  5. Step 5: Solve for x
    x = 63,490,879.42/11,186.75
  6. Step 6: Final answer
    x = 5,675.54

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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.