Home / 12,198.04-16,833.30-6,609

Finding the Fourth Proportional to 12,198.04, 16,833.30 and 6,609

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Solution

The fourth proportional to 12,198.04, 16,833.30 and 6,609 is: 9,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.04 : 16,833.30 = 6,609 : x
  2. Step 2: Convert to fraction form
    12,198.04/16,833.30 = 6,609/x
  3. Step 3: Cross multiply
    12,198.04x = 16,833.30 × 6,609
  4. Step 4: Simplify right side
    12,198.04x = 111,251,279.70
  5. Step 5: Solve for x
    x = 111,251,279.70/12,198.04
  6. Step 6: Final answer
    x = 9,120.42

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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.