Home / 11,131.14-16,685.17-6,961.58

Finding the Fourth Proportional to 11,131.14, 16,685.17 and 6,961.58

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Solution

The fourth proportional to 11,131.14, 16,685.17 and 6,961.58 is: 10,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.14 : 16,685.17 = 6,961.58 : x
  2. Step 2: Convert to fraction form
    11,131.14/16,685.17 = 6,961.58/x
  3. Step 3: Cross multiply
    11,131.14x = 16,685.17 × 6,961.58
  4. Step 4: Simplify right side
    11,131.14x = 116,155,145.77
  5. Step 5: Solve for x
    x = 116,155,145.77/11,131.14
  6. Step 6: Final answer
    x = 10,435.15

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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.