Home / 11,119.86-16,682.22-3,328.06

Finding the Fourth Proportional to 11,119.86, 16,682.22 and 3,328.06

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Solution

The fourth proportional to 11,119.86, 16,682.22 and 3,328.06 is: 4,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.86 : 16,682.22 = 3,328.06 : x
  2. Step 2: Convert to fraction form
    11,119.86/16,682.22 = 3,328.06/x
  3. Step 3: Cross multiply
    11,119.86x = 16,682.22 × 3,328.06
  4. Step 4: Simplify right side
    11,119.86x = 55,519,429.09
  5. Step 5: Solve for x
    x = 55,519,429.09/11,119.86
  6. Step 6: Final answer
    x = 4,992.82

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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.