Home / 7,408.25-11,078.64-5,535.45

Finding the Fourth Proportional to 7,408.25, 11,078.64 and 5,535.45

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Solution

The fourth proportional to 7,408.25, 11,078.64 and 5,535.45 is: 8,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.25 : 11,078.64 = 5,535.45 : x
  2. Step 2: Convert to fraction form
    7,408.25/11,078.64 = 5,535.45/x
  3. Step 3: Cross multiply
    7,408.25x = 11,078.64 × 5,535.45
  4. Step 4: Simplify right side
    7,408.25x = 61,325,257.79
  5. Step 5: Solve for x
    x = 61,325,257.79/7,408.25
  6. Step 6: Final answer
    x = 8,277.97

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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.