Home / 6,116.14-9,178.72-2,788.16

Finding the Fourth Proportional to 6,116.14, 9,178.72 and 2,788.16

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Solution

The fourth proportional to 6,116.14, 9,178.72 and 2,788.16 is: 4,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,116.14 : 9,178.72 = 2,788.16 : x
  2. Step 2: Convert to fraction form
    6,116.14/9,178.72 = 2,788.16/x
  3. Step 3: Cross multiply
    6,116.14x = 9,178.72 × 2,788.16
  4. Step 4: Simplify right side
    6,116.14x = 25,591,687.09
  5. Step 5: Solve for x
    x = 25,591,687.09/6,116.14
  6. Step 6: Final answer
    x = 4,184.29

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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.