Home / 11,718.88-17,578.28-4,793.38

Finding the Fourth Proportional to 11,718.88, 17,578.28 and 4,793.38

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Solution

The fourth proportional to 11,718.88, 17,578.28 and 4,793.38 is: 7,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.88 : 17,578.28 = 4,793.38 : x
  2. Step 2: Convert to fraction form
    11,718.88/17,578.28 = 4,793.38/x
  3. Step 3: Cross multiply
    11,718.88x = 17,578.28 × 4,793.38
  4. Step 4: Simplify right side
    11,718.88x = 84,259,343.82
  5. Step 5: Solve for x
    x = 84,259,343.82/11,718.88
  6. Step 6: Final answer
    x = 7,190.05

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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.