Home / 11,825.88-17,749.62-5,986.56

Finding the Fourth Proportional to 11,825.88, 17,749.62 and 5,986.56

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Solution

The fourth proportional to 11,825.88, 17,749.62 and 5,986.56 is: 8,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.88 : 17,749.62 = 5,986.56 : x
  2. Step 2: Convert to fraction form
    11,825.88/17,749.62 = 5,986.56/x
  3. Step 3: Cross multiply
    11,825.88x = 17,749.62 × 5,986.56
  4. Step 4: Simplify right side
    11,825.88x = 106,259,165.11
  5. Step 5: Solve for x
    x = 106,259,165.11/11,825.88
  6. Step 6: Final answer
    x = 8,985.31

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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.