Home / 6,991.08-10,481.76-2,607.36

Finding the Fourth Proportional to 6,991.08, 10,481.76 and 2,607.36

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Solution

The fourth proportional to 6,991.08, 10,481.76 and 2,607.36 is: 3,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.08 : 10,481.76 = 2,607.36 : x
  2. Step 2: Convert to fraction form
    6,991.08/10,481.76 = 2,607.36/x
  3. Step 3: Cross multiply
    6,991.08x = 10,481.76 × 2,607.36
  4. Step 4: Simplify right side
    6,991.08x = 27,329,721.75
  5. Step 5: Solve for x
    x = 27,329,721.75/6,991.08
  6. Step 6: Final answer
    x = 3,909.23

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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.