Home / 11,763.54-16,233.60-6,385.86

Finding the Fourth Proportional to 11,763.54, 16,233.60 and 6,385.86

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Solution

The fourth proportional to 11,763.54, 16,233.60 and 6,385.86 is: 8,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.54 : 16,233.60 = 6,385.86 : x
  2. Step 2: Convert to fraction form
    11,763.54/16,233.60 = 6,385.86/x
  3. Step 3: Cross multiply
    11,763.54x = 16,233.60 × 6,385.86
  4. Step 4: Simplify right side
    11,763.54x = 103,665,496.90
  5. Step 5: Solve for x
    x = 103,665,496.90/11,763.54
  6. Step 6: Final answer
    x = 8,812.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.