Home / 7,556.40-11,338.32-3,399.35

Finding the Fourth Proportional to 7,556.40, 11,338.32 and 3,399.35

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Solution

The fourth proportional to 7,556.40, 11,338.32 and 3,399.35 is: 5,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.40 : 11,338.32 = 3,399.35 : x
  2. Step 2: Convert to fraction form
    7,556.40/11,338.32 = 3,399.35/x
  3. Step 3: Cross multiply
    7,556.40x = 11,338.32 × 3,399.35
  4. Step 4: Simplify right side
    7,556.40x = 38,542,918.09
  5. Step 5: Solve for x
    x = 38,542,918.09/7,556.40
  6. Step 6: Final answer
    x = 5,100.70

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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.