Home / 11,822.66-17,736.62-5,160.22

Finding the Fourth Proportional to 11,822.66, 17,736.62 and 5,160.22

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Solution

The fourth proportional to 11,822.66, 17,736.62 and 5,160.22 is: 7,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.66 : 17,736.62 = 5,160.22 : x
  2. Step 2: Convert to fraction form
    11,822.66/17,736.62 = 5,160.22/x
  3. Step 3: Cross multiply
    11,822.66x = 17,736.62 × 5,160.22
  4. Step 4: Simplify right side
    11,822.66x = 91,524,861.26
  5. Step 5: Solve for x
    x = 91,524,861.26/11,822.66
  6. Step 6: Final answer
    x = 7,741.48

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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.