Home / 12,198.12-16,833.24-6,609.12

Finding the Fourth Proportional to 12,198.12, 16,833.24 and 6,609.12

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Solution

The fourth proportional to 12,198.12, 16,833.24 and 6,609.12 is: 9,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.12 : 16,833.24 = 6,609.12 : x
  2. Step 2: Convert to fraction form
    12,198.12/16,833.24 = 6,609.12/x
  3. Step 3: Cross multiply
    12,198.12x = 16,833.24 × 6,609.12
  4. Step 4: Simplify right side
    12,198.12x = 111,252,903.15
  5. Step 5: Solve for x
    x = 111,252,903.15/12,198.12
  6. Step 6: Final answer
    x = 9,120.50

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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.