Home / 7,442.20-11,163.30-4,817.80

Finding the Fourth Proportional to 7,442.20, 11,163.30 and 4,817.80

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Solution

The fourth proportional to 7,442.20, 11,163.30 and 4,817.80 is: 7,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.20 : 11,163.30 = 4,817.80 : x
  2. Step 2: Convert to fraction form
    7,442.20/11,163.30 = 4,817.80/x
  3. Step 3: Cross multiply
    7,442.20x = 11,163.30 × 4,817.80
  4. Step 4: Simplify right side
    7,442.20x = 53,782,546.74
  5. Step 5: Solve for x
    x = 53,782,546.74/7,442.20
  6. Step 6: Final answer
    x = 7,226.70

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1.5x scale

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.