Home / 11,131.20-16,699.32-3,340.14

Finding the Fourth Proportional to 11,131.20, 16,699.32 and 3,340.14

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Solution

The fourth proportional to 11,131.20, 16,699.32 and 3,340.14 is: 5,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.20 : 16,699.32 = 3,340.14 : x
  2. Step 2: Convert to fraction form
    11,131.20/16,699.32 = 3,340.14/x
  3. Step 3: Cross multiply
    11,131.20x = 16,699.32 × 3,340.14
  4. Step 4: Simplify right side
    11,131.20x = 55,778,066.70
  5. Step 5: Solve for x
    x = 55,778,066.70/11,131.20
  6. Step 6: Final answer
    x = 5,010.97

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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.