Home / 7,932.58-11,899.88-2,665.33

Finding the Fourth Proportional to 7,932.58, 11,899.88 and 2,665.33

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Solution

The fourth proportional to 7,932.58, 11,899.88 and 2,665.33 is: 3,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.58 : 11,899.88 = 2,665.33 : x
  2. Step 2: Convert to fraction form
    7,932.58/11,899.88 = 2,665.33/x
  3. Step 3: Cross multiply
    7,932.58x = 11,899.88 × 2,665.33
  4. Step 4: Simplify right side
    7,932.58x = 31,717,113.82
  5. Step 5: Solve for x
    x = 31,717,113.82/7,932.58
  6. Step 6: Final answer
    x = 3,998.34

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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.