Home / 9,306.62-12,841.12-6,789.33

Finding the Fourth Proportional to 9,306.62, 12,841.12 and 6,789.33

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Solution

The fourth proportional to 9,306.62, 12,841.12 and 6,789.33 is: 9,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.62 : 12,841.12 = 6,789.33 : x
  2. Step 2: Convert to fraction form
    9,306.62/12,841.12 = 6,789.33/x
  3. Step 3: Cross multiply
    9,306.62x = 12,841.12 × 6,789.33
  4. Step 4: Simplify right side
    9,306.62x = 87,182,609.74
  5. Step 5: Solve for x
    x = 87,182,609.74/9,306.62
  6. Step 6: Final answer
    x = 9,367.81

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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.