Home / 9,183.87-12,673.31-4,992.12

Finding the Fourth Proportional to 9,183.87, 12,673.31 and 4,992.12

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Solution

The fourth proportional to 9,183.87, 12,673.31 and 4,992.12 is: 6,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.87 : 12,673.31 = 4,992.12 : x
  2. Step 2: Convert to fraction form
    9,183.87/12,673.31 = 4,992.12/x
  3. Step 3: Cross multiply
    9,183.87x = 12,673.31 × 4,992.12
  4. Step 4: Simplify right side
    9,183.87x = 63,266,659.36
  5. Step 5: Solve for x
    x = 63,266,659.36/9,183.87
  6. Step 6: Final answer
    x = 6,888.89

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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.