Home / 11,838.06-16,331.39-6,801.13

Finding the Fourth Proportional to 11,838.06, 16,331.39 and 6,801.13

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Solution

The fourth proportional to 11,838.06, 16,331.39 and 6,801.13 is: 9,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.06 : 16,331.39 = 6,801.13 : x
  2. Step 2: Convert to fraction form
    11,838.06/16,331.39 = 6,801.13/x
  3. Step 3: Cross multiply
    11,838.06x = 16,331.39 × 6,801.13
  4. Step 4: Simplify right side
    11,838.06x = 111,071,906.47
  5. Step 5: Solve for x
    x = 111,071,906.47/11,838.06
  6. Step 6: Final answer
    x = 9,382.61

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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.