Home / 8,201.12-11,317.44-4,474.88

Finding the Fourth Proportional to 8,201.12, 11,317.44 and 4,474.88

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Solution

The fourth proportional to 8,201.12, 11,317.44 and 4,474.88 is: 6,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.12 : 11,317.44 = 4,474.88 : x
  2. Step 2: Convert to fraction form
    8,201.12/11,317.44 = 4,474.88/x
  3. Step 3: Cross multiply
    8,201.12x = 11,317.44 × 4,474.88
  4. Step 4: Simplify right side
    8,201.12x = 50,644,185.91
  5. Step 5: Solve for x
    x = 50,644,185.91/8,201.12
  6. Step 6: Final answer
    x = 6,175.28

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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.