Home / 12,201.18-16,836.70-6,896.49

Finding the Fourth Proportional to 12,201.18, 16,836.70 and 6,896.49

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Solution

The fourth proportional to 12,201.18, 16,836.70 and 6,896.49 is: 9,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.18 : 16,836.70 = 6,896.49 : x
  2. Step 2: Convert to fraction form
    12,201.18/16,836.70 = 6,896.49/x
  3. Step 3: Cross multiply
    12,201.18x = 16,836.70 × 6,896.49
  4. Step 4: Simplify right side
    12,201.18x = 116,114,133.18
  5. Step 5: Solve for x
    x = 116,114,133.18/12,201.18
  6. Step 6: Final answer
    x = 9,516.63

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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.