Home / 11,121.30-16,683.12-4,546.44

Finding the Fourth Proportional to 11,121.30, 16,683.12 and 4,546.44

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Solution

The fourth proportional to 11,121.30, 16,683.12 and 4,546.44 is: 6,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.30 : 16,683.12 = 4,546.44 : x
  2. Step 2: Convert to fraction form
    11,121.30/16,683.12 = 4,546.44/x
  3. Step 3: Cross multiply
    11,121.30x = 16,683.12 × 4,546.44
  4. Step 4: Simplify right side
    11,121.30x = 75,848,804.09
  5. Step 5: Solve for x
    x = 75,848,804.09/11,121.30
  6. Step 6: Final answer
    x = 6,820.14

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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.