Home / 8,815.32-13,222.31-3,266.15

Finding the Fourth Proportional to 8,815.32, 13,222.31 and 3,266.15

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Solution

The fourth proportional to 8,815.32, 13,222.31 and 3,266.15 is: 4,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.32 : 13,222.31 = 3,266.15 : x
  2. Step 2: Convert to fraction form
    8,815.32/13,222.31 = 3,266.15/x
  3. Step 3: Cross multiply
    8,815.32x = 13,222.31 × 3,266.15
  4. Step 4: Simplify right side
    8,815.32x = 43,185,965.36
  5. Step 5: Solve for x
    x = 43,185,965.36/8,815.32
  6. Step 6: Final answer
    x = 4,898.97

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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.