Home / 9,228.52-12,735.66-5,249.80

Finding the Fourth Proportional to 9,228.52, 12,735.66 and 5,249.80

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Solution

The fourth proportional to 9,228.52, 12,735.66 and 5,249.80 is: 7,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.52 : 12,735.66 = 5,249.80 : x
  2. Step 2: Convert to fraction form
    9,228.52/12,735.66 = 5,249.80/x
  3. Step 3: Cross multiply
    9,228.52x = 12,735.66 × 5,249.80
  4. Step 4: Simplify right side
    9,228.52x = 66,859,667.87
  5. Step 5: Solve for x
    x = 66,859,667.87/9,228.52
  6. Step 6: Final answer
    x = 7,244.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.