Home / 11,186.22-16,781.46-3,788.70

Finding the Fourth Proportional to 11,186.22, 16,781.46 and 3,788.70

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Solution

The fourth proportional to 11,186.22, 16,781.46 and 3,788.70 is: 5,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.22 : 16,781.46 = 3,788.70 : x
  2. Step 2: Convert to fraction form
    11,186.22/16,781.46 = 3,788.70/x
  3. Step 3: Cross multiply
    11,186.22x = 16,781.46 × 3,788.70
  4. Step 4: Simplify right side
    11,186.22x = 63,579,917.50
  5. Step 5: Solve for x
    x = 63,579,917.50/11,186.22
  6. Step 6: Final answer
    x = 5,683.77

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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.