Home / 8,222.52-12,336.66-3,540.54

Finding the Fourth Proportional to 8,222.52, 12,336.66 and 3,540.54

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Solution

The fourth proportional to 8,222.52, 12,336.66 and 3,540.54 is: 5,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.52 : 12,336.66 = 3,540.54 : x
  2. Step 2: Convert to fraction form
    8,222.52/12,336.66 = 3,540.54/x
  3. Step 3: Cross multiply
    8,222.52x = 12,336.66 × 3,540.54
  4. Step 4: Simplify right side
    8,222.52x = 43,678,438.20
  5. Step 5: Solve for x
    x = 43,678,438.20/8,222.52
  6. Step 6: Final answer
    x = 5,312.05

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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.