Home / 11,216.35-16,805.37-7,923.09

Finding the Fourth Proportional to 11,216.35, 16,805.37 and 7,923.09

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Solution

The fourth proportional to 11,216.35, 16,805.37 and 7,923.09 is: 11,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.35 : 16,805.37 = 7,923.09 : x
  2. Step 2: Convert to fraction form
    11,216.35/16,805.37 = 7,923.09/x
  3. Step 3: Cross multiply
    11,216.35x = 16,805.37 × 7,923.09
  4. Step 4: Simplify right side
    11,216.35x = 133,150,458.99
  5. Step 5: Solve for x
    x = 133,150,458.99/11,216.35
  6. Step 6: Final answer
    x = 11,871.10

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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.