Home / 9,195.28-13,788.83-2,619.91

Finding the Fourth Proportional to 9,195.28, 13,788.83 and 2,619.91

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Solution

The fourth proportional to 9,195.28, 13,788.83 and 2,619.91 is: 3,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.28 : 13,788.83 = 2,619.91 : x
  2. Step 2: Convert to fraction form
    9,195.28/13,788.83 = 2,619.91/x
  3. Step 3: Cross multiply
    9,195.28x = 13,788.83 × 2,619.91
  4. Step 4: Simplify right side
    9,195.28x = 36,125,480.51
  5. Step 5: Solve for x
    x = 36,125,480.51/9,195.28
  6. Step 6: Final answer
    x = 3,928.70

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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.