Home / 9,147.44-13,725.78-3,604.77

Finding the Fourth Proportional to 9,147.44, 13,725.78 and 3,604.77

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Solution

The fourth proportional to 9,147.44, 13,725.78 and 3,604.77 is: 5,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.44 : 13,725.78 = 3,604.77 : x
  2. Step 2: Convert to fraction form
    9,147.44/13,725.78 = 3,604.77/x
  3. Step 3: Cross multiply
    9,147.44x = 13,725.78 × 3,604.77
  4. Step 4: Simplify right side
    9,147.44x = 49,478,214.98
  5. Step 5: Solve for x
    x = 49,478,214.98/9,147.44
  6. Step 6: Final answer
    x = 5,408.97

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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.