Home / 11,943.06-17,917.56-4,151.94

Finding the Fourth Proportional to 11,943.06, 17,917.56 and 4,151.94

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Solution

The fourth proportional to 11,943.06, 17,917.56 and 4,151.94 is: 6,228.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.06 : 17,917.56 = 4,151.94 : x
  2. Step 2: Convert to fraction form
    11,943.06/17,917.56 = 4,151.94/x
  3. Step 3: Cross multiply
    11,943.06x = 17,917.56 × 4,151.94
  4. Step 4: Simplify right side
    11,943.06x = 74,392,634.07
  5. Step 5: Solve for x
    x = 74,392,634.07/11,943.06
  6. Step 6: Final answer
    x = 6,228.94

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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.