Home / 8,770.20-13,155.44-2,926.84

Finding the Fourth Proportional to 8,770.20, 13,155.44 and 2,926.84

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Solution

The fourth proportional to 8,770.20, 13,155.44 and 2,926.84 is: 4,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.20 : 13,155.44 = 2,926.84 : x
  2. Step 2: Convert to fraction form
    8,770.20/13,155.44 = 2,926.84/x
  3. Step 3: Cross multiply
    8,770.20x = 13,155.44 × 2,926.84
  4. Step 4: Simplify right side
    8,770.20x = 38,503,868.01
  5. Step 5: Solve for x
    x = 38,503,868.01/8,770.20
  6. Step 6: Final answer
    x = 4,390.31

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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.