Home / 11,922.96-17,858.52-5,754

Finding the Fourth Proportional to 11,922.96, 17,858.52 and 5,754

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Solution

The fourth proportional to 11,922.96, 17,858.52 and 5,754 is: 8,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.96 : 17,858.52 = 5,754 : x
  2. Step 2: Convert to fraction form
    11,922.96/17,858.52 = 5,754/x
  3. Step 3: Cross multiply
    11,922.96x = 17,858.52 × 5,754
  4. Step 4: Simplify right side
    11,922.96x = 102,757,924.08
  5. Step 5: Solve for x
    x = 102,757,924.08/11,922.96
  6. Step 6: Final answer
    x = 8,618.49

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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.