Home / 8,174.31-12,261.18-4,865.25

Finding the Fourth Proportional to 8,174.31, 12,261.18 and 4,865.25

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Solution

The fourth proportional to 8,174.31, 12,261.18 and 4,865.25 is: 7,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.31 : 12,261.18 = 4,865.25 : x
  2. Step 2: Convert to fraction form
    8,174.31/12,261.18 = 4,865.25/x
  3. Step 3: Cross multiply
    8,174.31x = 12,261.18 × 4,865.25
  4. Step 4: Simplify right side
    8,174.31x = 59,653,706.00
  5. Step 5: Solve for x
    x = 59,653,706.00/8,174.31
  6. Step 6: Final answer
    x = 7,297.71

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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.