Home / 7,876.53-11,796.89-6,107.36

Finding the Fourth Proportional to 7,876.53, 11,796.89 and 6,107.36

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Solution

The fourth proportional to 7,876.53, 11,796.89 and 6,107.36 is: 9,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.53 : 11,796.89 = 6,107.36 : x
  2. Step 2: Convert to fraction form
    7,876.53/11,796.89 = 6,107.36/x
  3. Step 3: Cross multiply
    7,876.53x = 11,796.89 × 6,107.36
  4. Step 4: Simplify right side
    7,876.53x = 72,047,764.59
  5. Step 5: Solve for x
    x = 72,047,764.59/7,876.53
  6. Step 6: Final answer
    x = 9,147.15

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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.