Home / 11,611.18-16,006.61-8,581.85

Finding the Fourth Proportional to 11,611.18, 16,006.61 and 8,581.85

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Solution

The fourth proportional to 11,611.18, 16,006.61 and 8,581.85 is: 11,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.18 : 16,006.61 = 8,581.85 : x
  2. Step 2: Convert to fraction form
    11,611.18/16,006.61 = 8,581.85/x
  3. Step 3: Cross multiply
    11,611.18x = 16,006.61 × 8,581.85
  4. Step 4: Simplify right side
    11,611.18x = 137,366,327.47
  5. Step 5: Solve for x
    x = 137,366,327.47/11,611.18
  6. Step 6: Final answer
    x = 11,830.52

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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.