Home / 11,854.73-17,782.08-3,089.61

Finding the Fourth Proportional to 11,854.73, 17,782.08 and 3,089.61

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Solution

The fourth proportional to 11,854.73, 17,782.08 and 3,089.61 is: 4,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.73 : 17,782.08 = 3,089.61 : x
  2. Step 2: Convert to fraction form
    11,854.73/17,782.08 = 3,089.61/x
  3. Step 3: Cross multiply
    11,854.73x = 17,782.08 × 3,089.61
  4. Step 4: Simplify right side
    11,854.73x = 54,939,692.19
  5. Step 5: Solve for x
    x = 54,939,692.19/11,854.73
  6. Step 6: Final answer
    x = 4,634.41

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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.