Home / 11,806.11-17,702.28-4,789.49

Finding the Fourth Proportional to 11,806.11, 17,702.28 and 4,789.49

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Solution

The fourth proportional to 11,806.11, 17,702.28 and 4,789.49 is: 7,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.11 : 17,702.28 = 4,789.49 : x
  2. Step 2: Convert to fraction form
    11,806.11/17,702.28 = 4,789.49/x
  3. Step 3: Cross multiply
    11,806.11x = 17,702.28 × 4,789.49
  4. Step 4: Simplify right side
    11,806.11x = 84,784,804.53
  5. Step 5: Solve for x
    x = 84,784,804.53/11,806.11
  6. Step 6: Final answer
    x = 7,181.43

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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.