Home / 7,448.80-11,174.70-2,183.80

Finding the Fourth Proportional to 7,448.80, 11,174.70 and 2,183.80

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Solution

The fourth proportional to 7,448.80, 11,174.70 and 2,183.80 is: 3,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.80 : 11,174.70 = 2,183.80 : x
  2. Step 2: Convert to fraction form
    7,448.80/11,174.70 = 2,183.80/x
  3. Step 3: Cross multiply
    7,448.80x = 11,174.70 × 2,183.80
  4. Step 4: Simplify right side
    7,448.80x = 24,403,309.86
  5. Step 5: Solve for x
    x = 24,403,309.86/7,448.80
  6. Step 6: Final answer
    x = 3,276.14

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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.