Home / 40,786.82-61,173.36-11,197.80

Finding the Fourth Proportional to 40,786.82, 61,173.36 and 11,197.80

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Solution

The fourth proportional to 40,786.82, 61,173.36 and 11,197.80 is: 16,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.82 : 61,173.36 = 11,197.80 : x
  2. Step 2: Convert to fraction form
    40,786.82/61,173.36 = 11,197.80/x
  3. Step 3: Cross multiply
    40,786.82x = 61,173.36 × 11,197.80
  4. Step 4: Simplify right side
    40,786.82x = 685,007,050.61
  5. Step 5: Solve for x
    x = 685,007,050.61/40,786.82
  6. Step 6: Final answer
    x = 16,794.81

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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.