Home / 8,251.87-11,387.61-4,896.35

Finding the Fourth Proportional to 8,251.87, 11,387.61 and 4,896.35

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Solution

The fourth proportional to 8,251.87, 11,387.61 and 4,896.35 is: 6,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.87 : 11,387.61 = 4,896.35 : x
  2. Step 2: Convert to fraction form
    8,251.87/11,387.61 = 4,896.35/x
  3. Step 3: Cross multiply
    8,251.87x = 11,387.61 × 4,896.35
  4. Step 4: Simplify right side
    8,251.87x = 55,757,724.22
  5. Step 5: Solve for x
    x = 55,757,724.22/8,251.87
  6. Step 6: Final answer
    x = 6,756.98

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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.