Home / 11,309.40-16,961.97-4,733.82

Finding the Fourth Proportional to 11,309.40, 16,961.97 and 4,733.82

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Solution

The fourth proportional to 11,309.40, 16,961.97 and 4,733.82 is: 7,099.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.40 : 16,961.97 = 4,733.82 : x
  2. Step 2: Convert to fraction form
    11,309.40/16,961.97 = 4,733.82/x
  3. Step 3: Cross multiply
    11,309.40x = 16,961.97 × 4,733.82
  4. Step 4: Simplify right side
    11,309.40x = 80,294,912.83
  5. Step 5: Solve for x
    x = 80,294,912.83/11,309.40
  6. Step 6: Final answer
    x = 7,099.84

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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.