Home / 11,309.82-16,961.70-4,734.66

Finding the Fourth Proportional to 11,309.82, 16,961.70 and 4,734.66

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Solution

The fourth proportional to 11,309.82, 16,961.70 and 4,734.66 is: 7,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.82 : 16,961.70 = 4,734.66 : x
  2. Step 2: Convert to fraction form
    11,309.82/16,961.70 = 4,734.66/x
  3. Step 3: Cross multiply
    11,309.82x = 16,961.70 × 4,734.66
  4. Step 4: Simplify right side
    11,309.82x = 80,307,882.52
  5. Step 5: Solve for x
    x = 80,307,882.52/11,309.82
  6. Step 6: Final answer
    x = 7,100.72

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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.