Home / 8,087.16-12,133.62-3,702.36

Finding the Fourth Proportional to 8,087.16, 12,133.62 and 3,702.36

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Solution

The fourth proportional to 8,087.16, 12,133.62 and 3,702.36 is: 5,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.16 : 12,133.62 = 3,702.36 : x
  2. Step 2: Convert to fraction form
    8,087.16/12,133.62 = 3,702.36/x
  3. Step 3: Cross multiply
    8,087.16x = 12,133.62 × 3,702.36
  4. Step 4: Simplify right side
    8,087.16x = 44,923,029.34
  5. Step 5: Solve for x
    x = 44,923,029.34/8,087.16
  6. Step 6: Final answer
    x = 5,554.86

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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.