Home / 12,176.94-18,266.67-3,858.09

Finding the Fourth Proportional to 12,176.94, 18,266.67 and 3,858.09

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Solution

The fourth proportional to 12,176.94, 18,266.67 and 3,858.09 is: 5,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.94 : 18,266.67 = 3,858.09 : x
  2. Step 2: Convert to fraction form
    12,176.94/18,266.67 = 3,858.09/x
  3. Step 3: Cross multiply
    12,176.94x = 18,266.67 × 3,858.09
  4. Step 4: Simplify right side
    12,176.94x = 70,474,456.86
  5. Step 5: Solve for x
    x = 70,474,456.86/12,176.94
  6. Step 6: Final answer
    x = 5,787.53

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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.