Home / 8,067.14-11,126.96-7,406.18

Finding the Fourth Proportional to 8,067.14, 11,126.96 and 7,406.18

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Solution

The fourth proportional to 8,067.14, 11,126.96 and 7,406.18 is: 10,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.14 : 11,126.96 = 7,406.18 : x
  2. Step 2: Convert to fraction form
    8,067.14/11,126.96 = 7,406.18/x
  3. Step 3: Cross multiply
    8,067.14x = 11,126.96 × 7,406.18
  4. Step 4: Simplify right side
    8,067.14x = 82,408,268.61
  5. Step 5: Solve for x
    x = 82,408,268.61/8,067.14
  6. Step 6: Final answer
    x = 10,215.30

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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.