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Finding the Fourth Proportional to 8,079.93, 11,146.77 and 4,934.25

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Solution

The fourth proportional to 8,079.93, 11,146.77 and 4,934.25 is: 6,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.93 : 11,146.77 = 4,934.25 : x
  2. Step 2: Convert to fraction form
    8,079.93/11,146.77 = 4,934.25/x
  3. Step 3: Cross multiply
    8,079.93x = 11,146.77 × 4,934.25
  4. Step 4: Simplify right side
    8,079.93x = 55,000,949.87
  5. Step 5: Solve for x
    x = 55,000,949.87/8,079.93
  6. Step 6: Final answer
    x = 6,807.11

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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.