Home / 8,207.73-12,306.74-3,279.69

Finding the Fourth Proportional to 8,207.73, 12,306.74 and 3,279.69

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Solution

The fourth proportional to 8,207.73, 12,306.74 and 3,279.69 is: 4,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.73 : 12,306.74 = 3,279.69 : x
  2. Step 2: Convert to fraction form
    8,207.73/12,306.74 = 3,279.69/x
  3. Step 3: Cross multiply
    8,207.73x = 12,306.74 × 3,279.69
  4. Step 4: Simplify right side
    8,207.73x = 40,362,275.71
  5. Step 5: Solve for x
    x = 40,362,275.71/8,207.73
  6. Step 6: Final answer
    x = 4,917.59

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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.