Home / 9,025.96-12,455.76-5,249.20

Finding the Fourth Proportional to 9,025.96, 12,455.76 and 5,249.20

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Solution

The fourth proportional to 9,025.96, 12,455.76 and 5,249.20 is: 7,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,025.96 : 12,455.76 = 5,249.20 : x
  2. Step 2: Convert to fraction form
    9,025.96/12,455.76 = 5,249.20/x
  3. Step 3: Cross multiply
    9,025.96x = 12,455.76 × 5,249.20
  4. Step 4: Simplify right side
    9,025.96x = 65,382,775.39
  5. Step 5: Solve for x
    x = 65,382,775.39/9,025.96
  6. Step 6: Final answer
    x = 7,243.86

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Half scale
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Similar ratio
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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.