Home / 7,183.48-9,912.58-4,039.24

Finding the Fourth Proportional to 7,183.48, 9,912.58 and 4,039.24

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Solution

The fourth proportional to 7,183.48, 9,912.58 and 4,039.24 is: 5,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.48 : 9,912.58 = 4,039.24 : x
  2. Step 2: Convert to fraction form
    7,183.48/9,912.58 = 4,039.24/x
  3. Step 3: Cross multiply
    7,183.48x = 9,912.58 × 4,039.24
  4. Step 4: Simplify right side
    7,183.48x = 40,039,289.64
  5. Step 5: Solve for x
    x = 40,039,289.64/7,183.48
  6. Step 6: Final answer
    x = 5,573.80

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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.