Home / 12,022.91-16,591.30-6,717.76

Finding the Fourth Proportional to 12,022.91, 16,591.30 and 6,717.76

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Solution

The fourth proportional to 12,022.91, 16,591.30 and 6,717.76 is: 9,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.91 : 16,591.30 = 6,717.76 : x
  2. Step 2: Convert to fraction form
    12,022.91/16,591.30 = 6,717.76/x
  3. Step 3: Cross multiply
    12,022.91x = 16,591.30 × 6,717.76
  4. Step 4: Simplify right side
    12,022.91x = 111,456,371.49
  5. Step 5: Solve for x
    x = 111,456,371.49/12,022.91
  6. Step 6: Final answer
    x = 9,270.33

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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.