Home / 7,448.25-11,155.37-3,555.39

Finding the Fourth Proportional to 7,448.25, 11,155.37 and 3,555.39

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Solution

The fourth proportional to 7,448.25, 11,155.37 and 3,555.39 is: 5,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.25 : 11,155.37 = 3,555.39 : x
  2. Step 2: Convert to fraction form
    7,448.25/11,155.37 = 3,555.39/x
  3. Step 3: Cross multiply
    7,448.25x = 11,155.37 × 3,555.39
  4. Step 4: Simplify right side
    7,448.25x = 39,661,735.00
  5. Step 5: Solve for x
    x = 39,661,735.00/7,448.25
  6. Step 6: Final answer
    x = 5,324.97

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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.