Home / 11,310.48-16,967.28-3,912.96

Finding the Fourth Proportional to 11,310.48, 16,967.28 and 3,912.96

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Solution

The fourth proportional to 11,310.48, 16,967.28 and 3,912.96 is: 5,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.48 : 16,967.28 = 3,912.96 : x
  2. Step 2: Convert to fraction form
    11,310.48/16,967.28 = 3,912.96/x
  3. Step 3: Cross multiply
    11,310.48x = 16,967.28 × 3,912.96
  4. Step 4: Simplify right side
    11,310.48x = 66,392,287.95
  5. Step 5: Solve for x
    x = 66,392,287.95/11,310.48
  6. Step 6: Final answer
    x = 5,869.98

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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.