Home / 8,811.46-12,160.17-4,832.72

Finding the Fourth Proportional to 8,811.46, 12,160.17 and 4,832.72

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Solution

The fourth proportional to 8,811.46, 12,160.17 and 4,832.72 is: 6,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.46 : 12,160.17 = 4,832.72 : x
  2. Step 2: Convert to fraction form
    8,811.46/12,160.17 = 4,832.72/x
  3. Step 3: Cross multiply
    8,811.46x = 12,160.17 × 4,832.72
  4. Step 4: Simplify right side
    8,811.46x = 58,766,611.80
  5. Step 5: Solve for x
    x = 58,766,611.80/8,811.46
  6. Step 6: Final answer
    x = 6,669.34

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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.