Home / 11,717.12-17,575.75-4,791.62

Finding the Fourth Proportional to 11,717.12, 17,575.75 and 4,791.62

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Solution

The fourth proportional to 11,717.12, 17,575.75 and 4,791.62 is: 7,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.12 : 17,575.75 = 4,791.62 : x
  2. Step 2: Convert to fraction form
    11,717.12/17,575.75 = 4,791.62/x
  3. Step 3: Cross multiply
    11,717.12x = 17,575.75 × 4,791.62
  4. Step 4: Simplify right side
    11,717.12x = 84,216,365.14
  5. Step 5: Solve for x
    x = 84,216,365.14/11,717.12
  6. Step 6: Final answer
    x = 7,187.46

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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.