Home / 11,028.12-15,218.66-5,992.29

Finding the Fourth Proportional to 11,028.12, 15,218.66 and 5,992.29

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Solution

The fourth proportional to 11,028.12, 15,218.66 and 5,992.29 is: 8,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.12 : 15,218.66 = 5,992.29 : x
  2. Step 2: Convert to fraction form
    11,028.12/15,218.66 = 5,992.29/x
  3. Step 3: Cross multiply
    11,028.12x = 15,218.66 × 5,992.29
  4. Step 4: Simplify right side
    11,028.12x = 91,194,624.13
  5. Step 5: Solve for x
    x = 91,194,624.13/11,028.12
  6. Step 6: Final answer
    x = 8,269.28

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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.