Home / 7,982.33-11,970.62-3,365.69

Finding the Fourth Proportional to 7,982.33, 11,970.62 and 3,365.69

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Solution

The fourth proportional to 7,982.33, 11,970.62 and 3,365.69 is: 5,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.33 : 11,970.62 = 3,365.69 : x
  2. Step 2: Convert to fraction form
    7,982.33/11,970.62 = 3,365.69/x
  3. Step 3: Cross multiply
    7,982.33x = 11,970.62 × 3,365.69
  4. Step 4: Simplify right side
    7,982.33x = 40,289,379.20
  5. Step 5: Solve for x
    x = 40,289,379.20/7,982.33
  6. Step 6: Final answer
    x = 5,047.32

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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.