Home / 7,195.12-10,793.92-2,812.32

Finding the Fourth Proportional to 7,195.12, 10,793.92 and 2,812.32

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Solution

The fourth proportional to 7,195.12, 10,793.92 and 2,812.32 is: 4,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.12 : 10,793.92 = 2,812.32 : x
  2. Step 2: Convert to fraction form
    7,195.12/10,793.92 = 2,812.32/x
  3. Step 3: Cross multiply
    7,195.12x = 10,793.92 × 2,812.32
  4. Step 4: Simplify right side
    7,195.12x = 30,355,957.09
  5. Step 5: Solve for x
    x = 30,355,957.09/7,195.12
  6. Step 6: Final answer
    x = 4,218.96

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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.