Home / 8,814.75-13,221.86-2,240.92

Finding the Fourth Proportional to 8,814.75, 13,221.86 and 2,240.92

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Solution

The fourth proportional to 8,814.75, 13,221.86 and 2,240.92 is: 3,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.75 : 13,221.86 = 2,240.92 : x
  2. Step 2: Convert to fraction form
    8,814.75/13,221.86 = 2,240.92/x
  3. Step 3: Cross multiply
    8,814.75x = 13,221.86 × 2,240.92
  4. Step 4: Simplify right side
    8,814.75x = 29,629,067.76
  5. Step 5: Solve for x
    x = 29,629,067.76/8,814.75
  6. Step 6: Final answer
    x = 3,361.31

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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.