Home / 11,770.25-17,656.54-3,869.56

Finding the Fourth Proportional to 11,770.25, 17,656.54 and 3,869.56

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Solution

The fourth proportional to 11,770.25, 17,656.54 and 3,869.56 is: 5,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.25 : 17,656.54 = 3,869.56 : x
  2. Step 2: Convert to fraction form
    11,770.25/17,656.54 = 3,869.56/x
  3. Step 3: Cross multiply
    11,770.25x = 17,656.54 × 3,869.56
  4. Step 4: Simplify right side
    11,770.25x = 68,323,021.57
  5. Step 5: Solve for x
    x = 68,323,021.57/11,770.25
  6. Step 6: Final answer
    x = 5,804.72

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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.