Home / 8,537.21-12,805.34-3,274.74

Finding the Fourth Proportional to 8,537.21, 12,805.34 and 3,274.74

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Solution

The fourth proportional to 8,537.21, 12,805.34 and 3,274.74 is: 4,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.21 : 12,805.34 = 3,274.74 : x
  2. Step 2: Convert to fraction form
    8,537.21/12,805.34 = 3,274.74/x
  3. Step 3: Cross multiply
    8,537.21x = 12,805.34 × 3,274.74
  4. Step 4: Simplify right side
    8,537.21x = 41,934,167.30
  5. Step 5: Solve for x
    x = 41,934,167.30/8,537.21
  6. Step 6: Final answer
    x = 4,911.93

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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.