Home / 11,028.66-15,218.31-6,313.86

Finding the Fourth Proportional to 11,028.66, 15,218.31 and 6,313.86

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Solution

The fourth proportional to 11,028.66, 15,218.31 and 6,313.86 is: 8,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.66 : 15,218.31 = 6,313.86 : x
  2. Step 2: Convert to fraction form
    11,028.66/15,218.31 = 6,313.86/x
  3. Step 3: Cross multiply
    11,028.66x = 15,218.31 × 6,313.86
  4. Step 4: Simplify right side
    11,028.66x = 96,086,278.78
  5. Step 5: Solve for x
    x = 96,086,278.78/11,028.66
  6. Step 6: Final answer
    x = 8,712.42

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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.