Home / 11,144.94-16,713.43-5,220.82

Finding the Fourth Proportional to 11,144.94, 16,713.43 and 5,220.82

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Solution

The fourth proportional to 11,144.94, 16,713.43 and 5,220.82 is: 7,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.94 : 16,713.43 = 5,220.82 : x
  2. Step 2: Convert to fraction form
    11,144.94/16,713.43 = 5,220.82/x
  3. Step 3: Cross multiply
    11,144.94x = 16,713.43 × 5,220.82
  4. Step 4: Simplify right side
    11,144.94x = 87,257,723.44
  5. Step 5: Solve for x
    x = 87,257,723.44/11,144.94
  6. Step 6: Final answer
    x = 7,829.36

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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.