Home / 11,191.62-16,776.48-4,166.48

Finding the Fourth Proportional to 11,191.62, 16,776.48 and 4,166.48

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Solution

The fourth proportional to 11,191.62, 16,776.48 and 4,166.48 is: 6,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.62 : 16,776.48 = 4,166.48 : x
  2. Step 2: Convert to fraction form
    11,191.62/16,776.48 = 4,166.48/x
  3. Step 3: Cross multiply
    11,191.62x = 16,776.48 × 4,166.48
  4. Step 4: Simplify right side
    11,191.62x = 69,898,868.39
  5. Step 5: Solve for x
    x = 69,898,868.39/11,191.62
  6. Step 6: Final answer
    x = 6,245.64

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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.