Home / 8,770.80-13,161.39-3,228.04

Finding the Fourth Proportional to 8,770.80, 13,161.39 and 3,228.04

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Solution

The fourth proportional to 8,770.80, 13,161.39 and 3,228.04 is: 4,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.80 : 13,161.39 = 3,228.04 : x
  2. Step 2: Convert to fraction form
    8,770.80/13,161.39 = 3,228.04/x
  3. Step 3: Cross multiply
    8,770.80x = 13,161.39 × 3,228.04
  4. Step 4: Simplify right side
    8,770.80x = 42,485,423.69
  5. Step 5: Solve for x
    x = 42,485,423.69/8,770.80
  6. Step 6: Final answer
    x = 4,843.96

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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.