Home / 11,356.56-17,035.32-3,961.76

Finding the Fourth Proportional to 11,356.56, 17,035.32 and 3,961.76

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Solution

The fourth proportional to 11,356.56, 17,035.32 and 3,961.76 is: 5,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.56 : 17,035.32 = 3,961.76 : x
  2. Step 2: Convert to fraction form
    11,356.56/17,035.32 = 3,961.76/x
  3. Step 3: Cross multiply
    11,356.56x = 17,035.32 × 3,961.76
  4. Step 4: Simplify right side
    11,356.56x = 67,489,849.36
  5. Step 5: Solve for x
    x = 67,489,849.36/11,356.56
  6. Step 6: Final answer
    x = 5,942.81

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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.