Home / 8,770.44-12,107.46-5,631.96

Finding the Fourth Proportional to 8,770.44, 12,107.46 and 5,631.96

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Solution

The fourth proportional to 8,770.44, 12,107.46 and 5,631.96 is: 7,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.44 : 12,107.46 = 5,631.96 : x
  2. Step 2: Convert to fraction form
    8,770.44/12,107.46 = 5,631.96/x
  3. Step 3: Cross multiply
    8,770.44x = 12,107.46 × 5,631.96
  4. Step 4: Simplify right side
    8,770.44x = 68,188,730.42
  5. Step 5: Solve for x
    x = 68,188,730.42/8,770.44
  6. Step 6: Final answer
    x = 7,774.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.