Home / 8,168.50-11,272.61-4,442.58

Finding the Fourth Proportional to 8,168.50, 11,272.61 and 4,442.58

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Solution

The fourth proportional to 8,168.50, 11,272.61 and 4,442.58 is: 6,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.50 : 11,272.61 = 4,442.58 : x
  2. Step 2: Convert to fraction form
    8,168.50/11,272.61 = 4,442.58/x
  3. Step 3: Cross multiply
    8,168.50x = 11,272.61 × 4,442.58
  4. Step 4: Simplify right side
    8,168.50x = 50,079,471.73
  5. Step 5: Solve for x
    x = 50,079,471.73/8,168.50
  6. Step 6: Final answer
    x = 6,130.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.