Home / 9,183.20-13,758.60-7,530.80

Finding the Fourth Proportional to 9,183.20, 13,758.60 and 7,530.80

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Solution

The fourth proportional to 9,183.20, 13,758.60 and 7,530.80 is: 11,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.20 : 13,758.60 = 7,530.80 : x
  2. Step 2: Convert to fraction form
    9,183.20/13,758.60 = 7,530.80/x
  3. Step 3: Cross multiply
    9,183.20x = 13,758.60 × 7,530.80
  4. Step 4: Simplify right side
    9,183.20x = 103,613,264.88
  5. Step 5: Solve for x
    x = 103,613,264.88/9,183.20
  6. Step 6: Final answer
    x = 11,282.91

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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.