Home / 7,412.97-11,120.67-3,029.25

Finding the Fourth Proportional to 7,412.97, 11,120.67 and 3,029.25

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Solution

The fourth proportional to 7,412.97, 11,120.67 and 3,029.25 is: 4,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.97 : 11,120.67 = 3,029.25 : x
  2. Step 2: Convert to fraction form
    7,412.97/11,120.67 = 3,029.25/x
  3. Step 3: Cross multiply
    7,412.97x = 11,120.67 × 3,029.25
  4. Step 4: Simplify right side
    7,412.97x = 33,687,289.60
  5. Step 5: Solve for x
    x = 33,687,289.60/7,412.97
  6. Step 6: Final answer
    x = 4,544.37

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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.