Home / 7,408.14-11,078.38-5,535.34

Finding the Fourth Proportional to 7,408.14, 11,078.38 and 5,535.34

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Solution

The fourth proportional to 7,408.14, 11,078.38 and 5,535.34 is: 8,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.14 : 11,078.38 = 5,535.34 : x
  2. Step 2: Convert to fraction form
    7,408.14/11,078.38 = 5,535.34/x
  3. Step 3: Cross multiply
    7,408.14x = 11,078.38 × 5,535.34
  4. Step 4: Simplify right side
    7,408.14x = 61,322,599.95
  5. Step 5: Solve for x
    x = 61,322,599.95/7,408.14
  6. Step 6: Final answer
    x = 8,277.73

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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.