Home / 11,108.09-16,653.91-6,724.51

Finding the Fourth Proportional to 11,108.09, 16,653.91 and 6,724.51

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Solution

The fourth proportional to 11,108.09, 16,653.91 and 6,724.51 is: 10,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.09 : 16,653.91 = 6,724.51 : x
  2. Step 2: Convert to fraction form
    11,108.09/16,653.91 = 6,724.51/x
  3. Step 3: Cross multiply
    11,108.09x = 16,653.91 × 6,724.51
  4. Step 4: Simplify right side
    11,108.09x = 111,989,350.71
  5. Step 5: Solve for x
    x = 111,989,350.71/11,108.09
  6. Step 6: Final answer
    x = 10,081.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.