Home / 7,316.70-10,976.42-3,609.73

Finding the Fourth Proportional to 7,316.70, 10,976.42 and 3,609.73

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Solution

The fourth proportional to 7,316.70, 10,976.42 and 3,609.73 is: 5,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.70 : 10,976.42 = 3,609.73 : x
  2. Step 2: Convert to fraction form
    7,316.70/10,976.42 = 3,609.73/x
  3. Step 3: Cross multiply
    7,316.70x = 10,976.42 × 3,609.73
  4. Step 4: Simplify right side
    7,316.70x = 39,621,912.57
  5. Step 5: Solve for x
    x = 39,621,912.57/7,316.70
  6. Step 6: Final answer
    x = 5,415.27

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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.