Home / 8,103.87-11,183.54-4,518.81

Finding the Fourth Proportional to 8,103.87, 11,183.54 and 4,518.81

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Solution

The fourth proportional to 8,103.87, 11,183.54 and 4,518.81 is: 6,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.87 : 11,183.54 = 4,518.81 : x
  2. Step 2: Convert to fraction form
    8,103.87/11,183.54 = 4,518.81/x
  3. Step 3: Cross multiply
    8,103.87x = 11,183.54 × 4,518.81
  4. Step 4: Simplify right side
    8,103.87x = 50,536,269.79
  5. Step 5: Solve for x
    x = 50,536,269.79/8,103.87
  6. Step 6: Final answer
    x = 6,236.07

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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.