Home / 7,450.56-11,173.92-2,831.04

Finding the Fourth Proportional to 7,450.56, 11,173.92 and 2,831.04

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Solution

The fourth proportional to 7,450.56, 11,173.92 and 2,831.04 is: 4,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.56 : 11,173.92 = 2,831.04 : x
  2. Step 2: Convert to fraction form
    7,450.56/11,173.92 = 2,831.04/x
  3. Step 3: Cross multiply
    7,450.56x = 11,173.92 × 2,831.04
  4. Step 4: Simplify right side
    7,450.56x = 31,633,814.48
  5. Step 5: Solve for x
    x = 31,633,814.48/7,450.56
  6. Step 6: Final answer
    x = 4,245.83

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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.