Home / 8,326.50-11,490.61-4,549.70

Finding the Fourth Proportional to 8,326.50, 11,490.61 and 4,549.70

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Solution

The fourth proportional to 8,326.50, 11,490.61 and 4,549.70 is: 6,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.50 : 11,490.61 = 4,549.70 : x
  2. Step 2: Convert to fraction form
    8,326.50/11,490.61 = 4,549.70/x
  3. Step 3: Cross multiply
    8,326.50x = 11,490.61 × 4,549.70
  4. Step 4: Simplify right side
    8,326.50x = 52,278,854.20
  5. Step 5: Solve for x
    x = 52,278,854.20/8,326.50
  6. Step 6: Final answer
    x = 6,278.61

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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.