Home / 11,161.56-16,742.85-3,766.08

Finding the Fourth Proportional to 11,161.56, 16,742.85 and 3,766.08

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Solution

The fourth proportional to 11,161.56, 16,742.85 and 3,766.08 is: 5,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.56 : 16,742.85 = 3,766.08 : x
  2. Step 2: Convert to fraction form
    11,161.56/16,742.85 = 3,766.08/x
  3. Step 3: Cross multiply
    11,161.56x = 16,742.85 × 3,766.08
  4. Step 4: Simplify right side
    11,161.56x = 63,054,958.83
  5. Step 5: Solve for x
    x = 63,054,958.83/11,161.56
  6. Step 6: Final answer
    x = 5,649.30

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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.