Home / 11,717.16-17,577.77-5,144.01

Finding the Fourth Proportional to 11,717.16, 17,577.77 and 5,144.01

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Solution

The fourth proportional to 11,717.16, 17,577.77 and 5,144.01 is: 7,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.16 : 17,577.77 = 5,144.01 : x
  2. Step 2: Convert to fraction form
    11,717.16/17,577.77 = 5,144.01/x
  3. Step 3: Cross multiply
    11,717.16x = 17,577.77 × 5,144.01
  4. Step 4: Simplify right side
    11,717.16x = 90,420,198.94
  5. Step 5: Solve for x
    x = 90,420,198.94/11,717.16
  6. Step 6: Final answer
    x = 7,716.90

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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.