Home / 11,191.66-16,786.40-3,400.54

Finding the Fourth Proportional to 11,191.66, 16,786.40 and 3,400.54

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Solution

The fourth proportional to 11,191.66, 16,786.40 and 3,400.54 is: 5,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.66 : 16,786.40 = 3,400.54 : x
  2. Step 2: Convert to fraction form
    11,191.66/16,786.40 = 3,400.54/x
  3. Step 3: Cross multiply
    11,191.66x = 16,786.40 × 3,400.54
  4. Step 4: Simplify right side
    11,191.66x = 57,082,824.66
  5. Step 5: Solve for x
    x = 57,082,824.66/11,191.66
  6. Step 6: Final answer
    x = 5,100.48

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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.