Home / 8,772.96-13,157.67-3,224.43

Finding the Fourth Proportional to 8,772.96, 13,157.67 and 3,224.43

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Solution

The fourth proportional to 8,772.96, 13,157.67 and 3,224.43 is: 4,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.96 : 13,157.67 = 3,224.43 : x
  2. Step 2: Convert to fraction form
    8,772.96/13,157.67 = 3,224.43/x
  3. Step 3: Cross multiply
    8,772.96x = 13,157.67 × 3,224.43
  4. Step 4: Simplify right side
    8,772.96x = 42,425,985.88
  5. Step 5: Solve for x
    x = 42,425,985.88/8,772.96
  6. Step 6: Final answer
    x = 4,835.99

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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.