Home / 7,632.15-11,451.52-4,121.46

Finding the Fourth Proportional to 7,632.15, 11,451.52 and 4,121.46

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Solution

The fourth proportional to 7,632.15, 11,451.52 and 4,121.46 is: 6,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.15 : 11,451.52 = 4,121.46 : x
  2. Step 2: Convert to fraction form
    7,632.15/11,451.52 = 4,121.46/x
  3. Step 3: Cross multiply
    7,632.15x = 11,451.52 × 4,121.46
  4. Step 4: Simplify right side
    7,632.15x = 47,196,942.69
  5. Step 5: Solve for x
    x = 47,196,942.69/7,632.15
  6. Step 6: Final answer
    x = 6,183.96

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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.