Home / 12,195.09-18,295.19-6,932.52

Finding the Fourth Proportional to 12,195.09, 18,295.19 and 6,932.52

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Solution

The fourth proportional to 12,195.09, 18,295.19 and 6,932.52 is: 10,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.09 : 18,295.19 = 6,932.52 : x
  2. Step 2: Convert to fraction form
    12,195.09/18,295.19 = 6,932.52/x
  3. Step 3: Cross multiply
    12,195.09x = 18,295.19 × 6,932.52
  4. Step 4: Simplify right side
    12,195.09x = 126,831,735.92
  5. Step 5: Solve for x
    x = 126,831,735.92/12,195.09
  6. Step 6: Final answer
    x = 10,400.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.