Home / 8,524.56-12,788.76-3,331.92

Finding the Fourth Proportional to 8,524.56, 12,788.76 and 3,331.92

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Solution

The fourth proportional to 8,524.56, 12,788.76 and 3,331.92 is: 4,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.56 : 12,788.76 = 3,331.92 : x
  2. Step 2: Convert to fraction form
    8,524.56/12,788.76 = 3,331.92/x
  3. Step 3: Cross multiply
    8,524.56x = 12,788.76 × 3,331.92
  4. Step 4: Simplify right side
    8,524.56x = 42,611,125.22
  5. Step 5: Solve for x
    x = 42,611,125.22/8,524.56
  6. Step 6: Final answer
    x = 4,998.63

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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.