Home / 8,815.79-13,222.24-3,267.83

Finding the Fourth Proportional to 8,815.79, 13,222.24 and 3,267.83

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Solution

The fourth proportional to 8,815.79, 13,222.24 and 3,267.83 is: 4,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.79 : 13,222.24 = 3,267.83 : x
  2. Step 2: Convert to fraction form
    8,815.79/13,222.24 = 3,267.83/x
  3. Step 3: Cross multiply
    8,815.79x = 13,222.24 × 3,267.83
  4. Step 4: Simplify right side
    8,815.79x = 43,208,032.54
  5. Step 5: Solve for x
    x = 43,208,032.54/8,815.79
  6. Step 6: Final answer
    x = 4,901.21

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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.