Home / 11,917.82-17,857.28-6,066.38

Finding the Fourth Proportional to 11,917.82, 17,857.28 and 6,066.38

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Solution

The fourth proportional to 11,917.82, 17,857.28 and 6,066.38 is: 9,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.82 : 17,857.28 = 6,066.38 : x
  2. Step 2: Convert to fraction form
    11,917.82/17,857.28 = 6,066.38/x
  3. Step 3: Cross multiply
    11,917.82x = 17,857.28 × 6,066.38
  4. Step 4: Simplify right side
    11,917.82x = 108,328,926.63
  5. Step 5: Solve for x
    x = 108,328,926.63/11,917.82
  6. Step 6: Final answer
    x = 9,089.66

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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.