Home / 8,231.94-11,359.98-4,455.02

Finding the Fourth Proportional to 8,231.94, 11,359.98 and 4,455.02

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Solution

The fourth proportional to 8,231.94, 11,359.98 and 4,455.02 is: 6,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.94 : 11,359.98 = 4,455.02 : x
  2. Step 2: Convert to fraction form
    8,231.94/11,359.98 = 4,455.02/x
  3. Step 3: Cross multiply
    8,231.94x = 11,359.98 × 4,455.02
  4. Step 4: Simplify right side
    8,231.94x = 50,608,938.10
  5. Step 5: Solve for x
    x = 50,608,938.10/8,231.94
  6. Step 6: Final answer
    x = 6,147.87

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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.