Home / 8,815.08-13,222.62-3,621.48

Finding the Fourth Proportional to 8,815.08, 13,222.62 and 3,621.48

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Solution

The fourth proportional to 8,815.08, 13,222.62 and 3,621.48 is: 5,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.08 : 13,222.62 = 3,621.48 : x
  2. Step 2: Convert to fraction form
    8,815.08/13,222.62 = 3,621.48/x
  3. Step 3: Cross multiply
    8,815.08x = 13,222.62 × 3,621.48
  4. Step 4: Simplify right side
    8,815.08x = 47,885,453.88
  5. Step 5: Solve for x
    x = 47,885,453.88/8,815.08
  6. Step 6: Final answer
    x = 5,432.22

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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.