Home / 6,426.77-8,866.13-4,067.44

Finding the Fourth Proportional to 6,426.77, 8,866.13 and 4,067.44

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Solution

The fourth proportional to 6,426.77, 8,866.13 and 4,067.44 is: 5,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.77 : 8,866.13 = 4,067.44 : x
  2. Step 2: Convert to fraction form
    6,426.77/8,866.13 = 4,067.44/x
  3. Step 3: Cross multiply
    6,426.77x = 8,866.13 × 4,067.44
  4. Step 4: Simplify right side
    6,426.77x = 36,062,409.30
  5. Step 5: Solve for x
    x = 36,062,409.30/6,426.77
  6. Step 6: Final answer
    x = 5,611.28

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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.