Home / 11,121.66-16,671.51-6,193.62

Finding the Fourth Proportional to 11,121.66, 16,671.51 and 6,193.62

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Solution

The fourth proportional to 11,121.66, 16,671.51 and 6,193.62 is: 9,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.66 : 16,671.51 = 6,193.62 : x
  2. Step 2: Convert to fraction form
    11,121.66/16,671.51 = 6,193.62/x
  3. Step 3: Cross multiply
    11,121.66x = 16,671.51 × 6,193.62
  4. Step 4: Simplify right side
    11,121.66x = 103,256,997.77
  5. Step 5: Solve for x
    x = 103,256,997.77/11,121.66
  6. Step 6: Final answer
    x = 9,284.32

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1.5x scale

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.