Home / 11,408.24-17,118.14-4,749.64

Finding the Fourth Proportional to 11,408.24, 17,118.14 and 4,749.64

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Solution

The fourth proportional to 11,408.24, 17,118.14 and 4,749.64 is: 7,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.24 : 17,118.14 = 4,749.64 : x
  2. Step 2: Convert to fraction form
    11,408.24/17,118.14 = 4,749.64/x
  3. Step 3: Cross multiply
    11,408.24x = 17,118.14 × 4,749.64
  4. Step 4: Simplify right side
    11,408.24x = 81,304,935.93
  5. Step 5: Solve for x
    x = 81,304,935.93/11,408.24
  6. Step 6: Final answer
    x = 7,126.86

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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.