Home / 8,372.24-12,558.04-2,672.88

Finding the Fourth Proportional to 8,372.24, 12,558.04 and 2,672.88

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Solution

The fourth proportional to 8,372.24, 12,558.04 and 2,672.88 is: 4,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.24 : 12,558.04 = 2,672.88 : x
  2. Step 2: Convert to fraction form
    8,372.24/12,558.04 = 2,672.88/x
  3. Step 3: Cross multiply
    8,372.24x = 12,558.04 × 2,672.88
  4. Step 4: Simplify right side
    8,372.24x = 33,566,133.96
  5. Step 5: Solve for x
    x = 33,566,133.96/8,372.24
  6. Step 6: Final answer
    x = 4,009.22

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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.