Home / 7,439.82-11,150.60-4,476.42

Finding the Fourth Proportional to 7,439.82, 11,150.60 and 4,476.42

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Solution

The fourth proportional to 7,439.82, 11,150.60 and 4,476.42 is: 6,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.82 : 11,150.60 = 4,476.42 : x
  2. Step 2: Convert to fraction form
    7,439.82/11,150.60 = 4,476.42/x
  3. Step 3: Cross multiply
    7,439.82x = 11,150.60 × 4,476.42
  4. Step 4: Simplify right side
    7,439.82x = 49,914,768.85
  5. Step 5: Solve for x
    x = 49,914,768.85/7,439.82
  6. Step 6: Final answer
    x = 6,709.14

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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.