Home / 8,731.95-13,090.17-3,184.26

Finding the Fourth Proportional to 8,731.95, 13,090.17 and 3,184.26

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Solution

The fourth proportional to 8,731.95, 13,090.17 and 3,184.26 is: 4,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.95 : 13,090.17 = 3,184.26 : x
  2. Step 2: Convert to fraction form
    8,731.95/13,090.17 = 3,184.26/x
  3. Step 3: Cross multiply
    8,731.95x = 13,090.17 × 3,184.26
  4. Step 4: Simplify right side
    8,731.95x = 41,682,504.72
  5. Step 5: Solve for x
    x = 41,682,504.72/8,731.95
  6. Step 6: Final answer
    x = 4,773.56

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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.