Home / 9,212.91-13,815.05-3,365.43

Finding the Fourth Proportional to 9,212.91, 13,815.05 and 3,365.43

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Solution

The fourth proportional to 9,212.91, 13,815.05 and 3,365.43 is: 5,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.91 : 13,815.05 = 3,365.43 : x
  2. Step 2: Convert to fraction form
    9,212.91/13,815.05 = 3,365.43/x
  3. Step 3: Cross multiply
    9,212.91x = 13,815.05 × 3,365.43
  4. Step 4: Simplify right side
    9,212.91x = 46,493,566.89
  5. Step 5: Solve for x
    x = 46,493,566.89/9,212.91
  6. Step 6: Final answer
    x = 5,046.57

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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.