Home / 8,493.11-12,734.80-3,558.59

Finding the Fourth Proportional to 8,493.11, 12,734.80 and 3,558.59

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Solution

The fourth proportional to 8,493.11, 12,734.80 and 3,558.59 is: 5,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.11 : 12,734.80 = 3,558.59 : x
  2. Step 2: Convert to fraction form
    8,493.11/12,734.80 = 3,558.59/x
  3. Step 3: Cross multiply
    8,493.11x = 12,734.80 × 3,558.59
  4. Step 4: Simplify right side
    8,493.11x = 45,317,931.93
  5. Step 5: Solve for x
    x = 45,317,931.93/8,493.11
  6. Step 6: Final answer
    x = 5,335.85

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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.