Home / 7,469.85-11,183.13-5,821.41

Finding the Fourth Proportional to 7,469.85, 11,183.13 and 5,821.41

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Solution

The fourth proportional to 7,469.85, 11,183.13 and 5,821.41 is: 8,715.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.85 : 11,183.13 = 5,821.41 : x
  2. Step 2: Convert to fraction form
    7,469.85/11,183.13 = 5,821.41/x
  3. Step 3: Cross multiply
    7,469.85x = 11,183.13 × 5,821.41
  4. Step 4: Simplify right side
    7,469.85x = 65,101,584.81
  5. Step 5: Solve for x
    x = 65,101,584.81/7,469.85
  6. Step 6: Final answer
    x = 8,715.25

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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.