Home / 12,201.64-16,838.18-6,896.44

Finding the Fourth Proportional to 12,201.64, 16,838.18 and 6,896.44

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Solution

The fourth proportional to 12,201.64, 16,838.18 and 6,896.44 is: 9,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.64 : 16,838.18 = 6,896.44 : x
  2. Step 2: Convert to fraction form
    12,201.64/16,838.18 = 6,896.44/x
  3. Step 3: Cross multiply
    12,201.64x = 16,838.18 × 6,896.44
  4. Step 4: Simplify right side
    12,201.64x = 116,123,510.51
  5. Step 5: Solve for x
    x = 116,123,510.51/12,201.64
  6. Step 6: Final answer
    x = 9,517.04

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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.