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Finding the Fourth Proportional to 8,163.88, 11,266.16 and 4,437.88

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Solution

The fourth proportional to 8,163.88, 11,266.16 and 4,437.88 is: 6,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.88 : 11,266.16 = 4,437.88 : x
  2. Step 2: Convert to fraction form
    8,163.88/11,266.16 = 4,437.88/x
  3. Step 3: Cross multiply
    8,163.88x = 11,266.16 × 4,437.88
  4. Step 4: Simplify right side
    8,163.88x = 49,997,866.14
  5. Step 5: Solve for x
    x = 49,997,866.14/8,163.88
  6. Step 6: Final answer
    x = 6,124.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.