Home / 12,022.70-16,591.62-6,717.85

Finding the Fourth Proportional to 12,022.70, 16,591.62 and 6,717.85

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Solution

The fourth proportional to 12,022.70, 16,591.62 and 6,717.85 is: 9,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.70 : 16,591.62 = 6,717.85 : x
  2. Step 2: Convert to fraction form
    12,022.70/16,591.62 = 6,717.85/x
  3. Step 3: Cross multiply
    12,022.70x = 16,591.62 × 6,717.85
  4. Step 4: Simplify right side
    12,022.70x = 111,459,998.13
  5. Step 5: Solve for x
    x = 111,459,998.13/12,022.70
  6. Step 6: Final answer
    x = 9,270.80

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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.