Home / 9,183.92-12,673.74-4,992.20

Finding the Fourth Proportional to 9,183.92, 12,673.74 and 4,992.20

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Solution

The fourth proportional to 9,183.92, 12,673.74 and 4,992.20 is: 6,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.92 : 12,673.74 = 4,992.20 : x
  2. Step 2: Convert to fraction form
    9,183.92/12,673.74 = 4,992.20/x
  3. Step 3: Cross multiply
    9,183.92x = 12,673.74 × 4,992.20
  4. Step 4: Simplify right side
    9,183.92x = 63,269,844.83
  5. Step 5: Solve for x
    x = 63,269,844.83/9,183.92
  6. Step 6: Final answer
    x = 6,889.20

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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.