Home / 7,406.68-11,110.62-2,212.48

Finding the Fourth Proportional to 7,406.68, 11,110.62 and 2,212.48

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Solution

The fourth proportional to 7,406.68, 11,110.62 and 2,212.48 is: 3,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.68 : 11,110.62 = 2,212.48 : x
  2. Step 2: Convert to fraction form
    7,406.68/11,110.62 = 2,212.48/x
  3. Step 3: Cross multiply
    7,406.68x = 11,110.62 × 2,212.48
  4. Step 4: Simplify right side
    7,406.68x = 24,582,024.54
  5. Step 5: Solve for x
    x = 24,582,024.54/7,406.68
  6. Step 6: Final answer
    x = 3,318.90

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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.