Home / 11,895.39-17,836.34-8,151.37

Finding the Fourth Proportional to 11,895.39, 17,836.34 and 8,151.37

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Solution

The fourth proportional to 11,895.39, 17,836.34 and 8,151.37 is: 12,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.39 : 17,836.34 = 8,151.37 : x
  2. Step 2: Convert to fraction form
    11,895.39/17,836.34 = 8,151.37/x
  3. Step 3: Cross multiply
    11,895.39x = 17,836.34 × 8,151.37
  4. Step 4: Simplify right side
    11,895.39x = 145,390,521.44
  5. Step 5: Solve for x
    x = 145,390,521.44/11,895.39
  6. Step 6: Final answer
    x = 12,222.43

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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.