Home / 12,067.80-16,652.70-6,762.57

Finding the Fourth Proportional to 12,067.80, 16,652.70 and 6,762.57

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Solution

The fourth proportional to 12,067.80, 16,652.70 and 6,762.57 is: 9,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.80 : 16,652.70 = 6,762.57 : x
  2. Step 2: Convert to fraction form
    12,067.80/16,652.70 = 6,762.57/x
  3. Step 3: Cross multiply
    12,067.80x = 16,652.70 × 6,762.57
  4. Step 4: Simplify right side
    12,067.80x = 112,615,049.44
  5. Step 5: Solve for x
    x = 112,615,049.44/12,067.80
  6. Step 6: Final answer
    x = 9,331.86

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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.