Home / 8,770.62-13,157.82-2,847.54

Finding the Fourth Proportional to 8,770.62, 13,157.82 and 2,847.54

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Solution

The fourth proportional to 8,770.62, 13,157.82 and 2,847.54 is: 4,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.62 : 13,157.82 = 2,847.54 : x
  2. Step 2: Convert to fraction form
    8,770.62/13,157.82 = 2,847.54/x
  3. Step 3: Cross multiply
    8,770.62x = 13,157.82 × 2,847.54
  4. Step 4: Simplify right side
    8,770.62x = 37,467,418.76
  5. Step 5: Solve for x
    x = 37,467,418.76/8,770.62
  6. Step 6: Final answer
    x = 4,271.92

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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.