Home / 7,262.72-10,876.80-5,327.36

Finding the Fourth Proportional to 7,262.72, 10,876.80 and 5,327.36

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Solution

The fourth proportional to 7,262.72, 10,876.80 and 5,327.36 is: 7,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.72 : 10,876.80 = 5,327.36 : x
  2. Step 2: Convert to fraction form
    7,262.72/10,876.80 = 5,327.36/x
  3. Step 3: Cross multiply
    7,262.72x = 10,876.80 × 5,327.36
  4. Step 4: Simplify right side
    7,262.72x = 57,944,629.25
  5. Step 5: Solve for x
    x = 57,944,629.25/7,262.72
  6. Step 6: Final answer
    x = 7,978.36

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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.