Home / 11,191.19-16,786.69-4,170.96

Finding the Fourth Proportional to 11,191.19, 16,786.69 and 4,170.96

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Solution

The fourth proportional to 11,191.19, 16,786.69 and 4,170.96 is: 6,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.19 : 16,786.69 = 4,170.96 : x
  2. Step 2: Convert to fraction form
    11,191.19/16,786.69 = 4,170.96/x
  3. Step 3: Cross multiply
    11,191.19x = 16,786.69 × 4,170.96
  4. Step 4: Simplify right side
    11,191.19x = 70,016,602.10
  5. Step 5: Solve for x
    x = 70,016,602.10/11,191.19
  6. Step 6: Final answer
    x = 6,256.41

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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.