Home / 8,055.56-11,107.68-5,067.74

Finding the Fourth Proportional to 8,055.56, 11,107.68 and 5,067.74

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Solution

The fourth proportional to 8,055.56, 11,107.68 and 5,067.74 is: 6,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.56 : 11,107.68 = 5,067.74 : x
  2. Step 2: Convert to fraction form
    8,055.56/11,107.68 = 5,067.74/x
  3. Step 3: Cross multiply
    8,055.56x = 11,107.68 × 5,067.74
  4. Step 4: Simplify right side
    8,055.56x = 56,290,834.24
  5. Step 5: Solve for x
    x = 56,290,834.24/8,055.56
  6. Step 6: Final answer
    x = 6,987.82

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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.