Home / 7,781.93-11,669.37-2,234.01

Finding the Fourth Proportional to 7,781.93, 11,669.37 and 2,234.01

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Solution

The fourth proportional to 7,781.93, 11,669.37 and 2,234.01 is: 3,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.93 : 11,669.37 = 2,234.01 : x
  2. Step 2: Convert to fraction form
    7,781.93/11,669.37 = 2,234.01/x
  3. Step 3: Cross multiply
    7,781.93x = 11,669.37 × 2,234.01
  4. Step 4: Simplify right side
    7,781.93x = 26,069,489.27
  5. Step 5: Solve for x
    x = 26,069,489.27/7,781.93
  6. Step 6: Final answer
    x = 3,350.01

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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.