Home / 11,249.60-16,879.62-4,923.65

Finding the Fourth Proportional to 11,249.60, 16,879.62 and 4,923.65

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Solution

The fourth proportional to 11,249.60, 16,879.62 and 4,923.65 is: 7,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.60 : 16,879.62 = 4,923.65 : x
  2. Step 2: Convert to fraction form
    11,249.60/16,879.62 = 4,923.65/x
  3. Step 3: Cross multiply
    11,249.60x = 16,879.62 × 4,923.65
  4. Step 4: Simplify right side
    11,249.60x = 83,109,232.00
  5. Step 5: Solve for x
    x = 83,109,232.00/11,249.60
  6. Step 6: Final answer
    x = 7,387.75

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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.