Home / 8,466.84-12,691.44-3,539.34

Finding the Fourth Proportional to 8,466.84, 12,691.44 and 3,539.34

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Solution

The fourth proportional to 8,466.84, 12,691.44 and 3,539.34 is: 5,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.84 : 12,691.44 = 3,539.34 : x
  2. Step 2: Convert to fraction form
    8,466.84/12,691.44 = 3,539.34/x
  3. Step 3: Cross multiply
    8,466.84x = 12,691.44 × 3,539.34
  4. Step 4: Simplify right side
    8,466.84x = 44,919,321.25
  5. Step 5: Solve for x
    x = 44,919,321.25/8,466.84
  6. Step 6: Final answer
    x = 5,305.32

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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.