Home / 8,234.22-12,353.65-3,307.32

Finding the Fourth Proportional to 8,234.22, 12,353.65 and 3,307.32

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Solution

The fourth proportional to 8,234.22, 12,353.65 and 3,307.32 is: 4,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.22 : 12,353.65 = 3,307.32 : x
  2. Step 2: Convert to fraction form
    8,234.22/12,353.65 = 3,307.32/x
  3. Step 3: Cross multiply
    8,234.22x = 12,353.65 × 3,307.32
  4. Step 4: Simplify right side
    8,234.22x = 40,857,473.72
  5. Step 5: Solve for x
    x = 40,857,473.72/8,234.22
  6. Step 6: Final answer
    x = 4,961.91

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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.