Home / 10,746.72-16,116.84-4,171.44

Finding the Fourth Proportional to 10,746.72, 16,116.84 and 4,171.44

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Solution

The fourth proportional to 10,746.72, 16,116.84 and 4,171.44 is: 6,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.72 : 16,116.84 = 4,171.44 : x
  2. Step 2: Convert to fraction form
    10,746.72/16,116.84 = 4,171.44/x
  3. Step 3: Cross multiply
    10,746.72x = 16,116.84 × 4,171.44
  4. Step 4: Simplify right side
    10,746.72x = 67,230,431.05
  5. Step 5: Solve for x
    x = 67,230,431.05/10,746.72
  6. Step 6: Final answer
    x = 6,255.90

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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.