Home / 7,847.10-11,770.49-3,166.98

Finding the Fourth Proportional to 7,847.10, 11,770.49 and 3,166.98

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Solution

The fourth proportional to 7,847.10, 11,770.49 and 3,166.98 is: 4,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.10 : 11,770.49 = 3,166.98 : x
  2. Step 2: Convert to fraction form
    7,847.10/11,770.49 = 3,166.98/x
  3. Step 3: Cross multiply
    7,847.10x = 11,770.49 × 3,166.98
  4. Step 4: Simplify right side
    7,847.10x = 37,276,906.42
  5. Step 5: Solve for x
    x = 37,276,906.42/7,847.10
  6. Step 6: Final answer
    x = 4,750.41

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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.