Home / 12,367.25-17,067.65-6,987.83

Finding the Fourth Proportional to 12,367.25, 17,067.65 and 6,987.83

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Solution

The fourth proportional to 12,367.25, 17,067.65 and 6,987.83 is: 9,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.25 : 17,067.65 = 6,987.83 : x
  2. Step 2: Convert to fraction form
    12,367.25/17,067.65 = 6,987.83/x
  3. Step 3: Cross multiply
    12,367.25x = 17,067.65 × 6,987.83
  4. Step 4: Simplify right side
    12,367.25x = 119,265,716.42
  5. Step 5: Solve for x
    x = 119,265,716.42/12,367.25
  6. Step 6: Final answer
    x = 9,643.68

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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.