Home / 11,884.93-17,826.01-3,120.53

Finding the Fourth Proportional to 11,884.93, 17,826.01 and 3,120.53

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Solution

The fourth proportional to 11,884.93, 17,826.01 and 3,120.53 is: 4,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.93 : 17,826.01 = 3,120.53 : x
  2. Step 2: Convert to fraction form
    11,884.93/17,826.01 = 3,120.53/x
  3. Step 3: Cross multiply
    11,884.93x = 17,826.01 × 3,120.53
  4. Step 4: Simplify right side
    11,884.93x = 55,626,568.90
  5. Step 5: Solve for x
    x = 55,626,568.90/11,884.93
  6. Step 6: Final answer
    x = 4,680.43

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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.