Home / 8,339.06-12,514.74-3,956.54

Finding the Fourth Proportional to 8,339.06, 12,514.74 and 3,956.54

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Solution

The fourth proportional to 8,339.06, 12,514.74 and 3,956.54 is: 5,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.06 : 12,514.74 = 3,956.54 : x
  2. Step 2: Convert to fraction form
    8,339.06/12,514.74 = 3,956.54/x
  3. Step 3: Cross multiply
    8,339.06x = 12,514.74 × 3,956.54
  4. Step 4: Simplify right side
    8,339.06x = 49,515,069.40
  5. Step 5: Solve for x
    x = 49,515,069.40/8,339.06
  6. Step 6: Final answer
    x = 5,937.73

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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.