Home / 11,284.16-16,928.97-3,386.66

Finding the Fourth Proportional to 11,284.16, 16,928.97 and 3,386.66

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Solution

The fourth proportional to 11,284.16, 16,928.97 and 3,386.66 is: 5,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.16 : 16,928.97 = 3,386.66 : x
  2. Step 2: Convert to fraction form
    11,284.16/16,928.97 = 3,386.66/x
  3. Step 3: Cross multiply
    11,284.16x = 16,928.97 × 3,386.66
  4. Step 4: Simplify right side
    11,284.16x = 57,332,568.20
  5. Step 5: Solve for x
    x = 57,332,568.20/11,284.16
  6. Step 6: Final answer
    x = 5,080.80

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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.