Home / 11,611.02-16,022.94-6,305.78

Finding the Fourth Proportional to 11,611.02, 16,022.94 and 6,305.78

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Solution

The fourth proportional to 11,611.02, 16,022.94 and 6,305.78 is: 8,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.02 : 16,022.94 = 6,305.78 : x
  2. Step 2: Convert to fraction form
    11,611.02/16,022.94 = 6,305.78/x
  3. Step 3: Cross multiply
    11,611.02x = 16,022.94 × 6,305.78
  4. Step 4: Simplify right side
    11,611.02x = 101,037,134.59
  5. Step 5: Solve for x
    x = 101,037,134.59/11,611.02
  6. Step 6: Final answer
    x = 8,701.83

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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.