Home / 8,054.78-11,115.67-4,517.91

Finding the Fourth Proportional to 8,054.78, 11,115.67 and 4,517.91

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Solution

The fourth proportional to 8,054.78, 11,115.67 and 4,517.91 is: 6,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.78 : 11,115.67 = 4,517.91 : x
  2. Step 2: Convert to fraction form
    8,054.78/11,115.67 = 4,517.91/x
  3. Step 3: Cross multiply
    8,054.78x = 11,115.67 × 4,517.91
  4. Step 4: Simplify right side
    8,054.78x = 50,219,585.35
  5. Step 5: Solve for x
    x = 50,219,585.35/8,054.78
  6. Step 6: Final answer
    x = 6,234.76

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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.