Home / 12,098.05-16,696.14-6,721.12

Finding the Fourth Proportional to 12,098.05, 16,696.14 and 6,721.12

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Solution

The fourth proportional to 12,098.05, 16,696.14 and 6,721.12 is: 9,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.05 : 16,696.14 = 6,721.12 : x
  2. Step 2: Convert to fraction form
    12,098.05/16,696.14 = 6,721.12/x
  3. Step 3: Cross multiply
    12,098.05x = 16,696.14 × 6,721.12
  4. Step 4: Simplify right side
    12,098.05x = 112,216,760.48
  5. Step 5: Solve for x
    x = 112,216,760.48/12,098.05
  6. Step 6: Final answer
    x = 9,275.61

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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.