Home / 8,177.31-11,284.69-4,451.31

Finding the Fourth Proportional to 8,177.31, 11,284.69 and 4,451.31

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Solution

The fourth proportional to 8,177.31, 11,284.69 and 4,451.31 is: 6,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.31 : 11,284.69 = 4,451.31 : x
  2. Step 2: Convert to fraction form
    8,177.31/11,284.69 = 4,451.31/x
  3. Step 3: Cross multiply
    8,177.31x = 11,284.69 × 4,451.31
  4. Step 4: Simplify right side
    8,177.31x = 50,231,653.44
  5. Step 5: Solve for x
    x = 50,231,653.44/8,177.31
  6. Step 6: Final answer
    x = 6,142.81

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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.