Home / 8,013.16-12,013.98-3,628.36

Finding the Fourth Proportional to 8,013.16, 12,013.98 and 3,628.36

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Solution

The fourth proportional to 8,013.16, 12,013.98 and 3,628.36 is: 5,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.16 : 12,013.98 = 3,628.36 : x
  2. Step 2: Convert to fraction form
    8,013.16/12,013.98 = 3,628.36/x
  3. Step 3: Cross multiply
    8,013.16x = 12,013.98 × 3,628.36
  4. Step 4: Simplify right side
    8,013.16x = 43,591,044.47
  5. Step 5: Solve for x
    x = 43,591,044.47/8,013.16
  6. Step 6: Final answer
    x = 5,439.93

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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.