Home / 8,248.29-11,382.15-4,891.42

Finding the Fourth Proportional to 8,248.29, 11,382.15 and 4,891.42

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Solution

The fourth proportional to 8,248.29, 11,382.15 and 4,891.42 is: 6,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.29 : 11,382.15 = 4,891.42 : x
  2. Step 2: Convert to fraction form
    8,248.29/11,382.15 = 4,891.42/x
  3. Step 3: Cross multiply
    8,248.29x = 11,382.15 × 4,891.42
  4. Step 4: Simplify right side
    8,248.29x = 55,674,876.15
  5. Step 5: Solve for x
    x = 55,674,876.15/8,248.29
  6. Step 6: Final answer
    x = 6,749.87

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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.