Home / 11,433.22-17,122.16-7,913.36

Finding the Fourth Proportional to 11,433.22, 17,122.16 and 7,913.36

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Solution

The fourth proportional to 11,433.22, 17,122.16 and 7,913.36 is: 11,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.22 : 17,122.16 = 7,913.36 : x
  2. Step 2: Convert to fraction form
    11,433.22/17,122.16 = 7,913.36/x
  3. Step 3: Cross multiply
    11,433.22x = 17,122.16 × 7,913.36
  4. Step 4: Simplify right side
    11,433.22x = 135,493,878.65
  5. Step 5: Solve for x
    x = 135,493,878.65/11,433.22
  6. Step 6: Final answer
    x = 11,850.90

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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.