Home / 11,183.99-16,778.72-5,564.30

Finding the Fourth Proportional to 11,183.99, 16,778.72 and 5,564.30

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Solution

The fourth proportional to 11,183.99, 16,778.72 and 5,564.30 is: 8,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.99 : 16,778.72 = 5,564.30 : x
  2. Step 2: Convert to fraction form
    11,183.99/16,778.72 = 5,564.30/x
  3. Step 3: Cross multiply
    11,183.99x = 16,778.72 × 5,564.30
  4. Step 4: Simplify right side
    11,183.99x = 93,361,719.98
  5. Step 5: Solve for x
    x = 93,361,719.98/11,183.99
  6. Step 6: Final answer
    x = 8,347.80

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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.