Home / 11,199.36-16,845.12-9,816.96

Finding the Fourth Proportional to 11,199.36, 16,845.12 and 9,816.96

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Solution

The fourth proportional to 11,199.36, 16,845.12 and 9,816.96 is: 14,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.36 : 16,845.12 = 9,816.96 : x
  2. Step 2: Convert to fraction form
    11,199.36/16,845.12 = 9,816.96/x
  3. Step 3: Cross multiply
    11,199.36x = 16,845.12 × 9,816.96
  4. Step 4: Simplify right side
    11,199.36x = 165,367,869.24
  5. Step 5: Solve for x
    x = 165,367,869.24/11,199.36
  6. Step 6: Final answer
    x = 14,765.83

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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.