Home / 11,781.24-17,669.96-3,015.70

Finding the Fourth Proportional to 11,781.24, 17,669.96 and 3,015.70

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Solution

The fourth proportional to 11,781.24, 17,669.96 and 3,015.70 is: 4,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.24 : 17,669.96 = 3,015.70 : x
  2. Step 2: Convert to fraction form
    11,781.24/17,669.96 = 3,015.70/x
  3. Step 3: Cross multiply
    11,781.24x = 17,669.96 × 3,015.70
  4. Step 4: Simplify right side
    11,781.24x = 53,287,298.37
  5. Step 5: Solve for x
    x = 53,287,298.37/11,781.24
  6. Step 6: Final answer
    x = 4,523.06

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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.