Home / 8,067.16-11,127.85-5,077.80

Finding the Fourth Proportional to 8,067.16, 11,127.85 and 5,077.80

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Solution

The fourth proportional to 8,067.16, 11,127.85 and 5,077.80 is: 7,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.16 : 11,127.85 = 5,077.80 : x
  2. Step 2: Convert to fraction form
    8,067.16/11,127.85 = 5,077.80/x
  3. Step 3: Cross multiply
    8,067.16x = 11,127.85 × 5,077.80
  4. Step 4: Simplify right side
    8,067.16x = 56,504,996.73
  5. Step 5: Solve for x
    x = 56,504,996.73/8,067.16
  6. Step 6: Final answer
    x = 7,004.33

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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.