Home / 11,418.61-17,129.28-4,843.94

Finding the Fourth Proportional to 11,418.61, 17,129.28 and 4,843.94

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Solution

The fourth proportional to 11,418.61, 17,129.28 and 4,843.94 is: 7,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.61 : 17,129.28 = 4,843.94 : x
  2. Step 2: Convert to fraction form
    11,418.61/17,129.28 = 4,843.94/x
  3. Step 3: Cross multiply
    11,418.61x = 17,129.28 × 4,843.94
  4. Step 4: Simplify right side
    11,418.61x = 82,973,204.56
  5. Step 5: Solve for x
    x = 82,973,204.56/11,418.61
  6. Step 6: Final answer
    x = 7,266.49

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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.