Home / 12,201.68-16,838.34-6,896.52

Finding the Fourth Proportional to 12,201.68, 16,838.34 and 6,896.52

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Solution

The fourth proportional to 12,201.68, 16,838.34 and 6,896.52 is: 9,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.68 : 16,838.34 = 6,896.52 : x
  2. Step 2: Convert to fraction form
    12,201.68/16,838.34 = 6,896.52/x
  3. Step 3: Cross multiply
    12,201.68x = 16,838.34 × 6,896.52
  4. Step 4: Simplify right side
    12,201.68x = 116,125,948.58
  5. Step 5: Solve for x
    x = 116,125,948.58/12,201.68
  6. Step 6: Final answer
    x = 9,517.21

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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.