Home / 7,486.28-11,230.52-2,291.48

Finding the Fourth Proportional to 7,486.28, 11,230.52 and 2,291.48

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Solution

The fourth proportional to 7,486.28, 11,230.52 and 2,291.48 is: 3,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.28 : 11,230.52 = 2,291.48 : x
  2. Step 2: Convert to fraction form
    7,486.28/11,230.52 = 2,291.48/x
  3. Step 3: Cross multiply
    7,486.28x = 11,230.52 × 2,291.48
  4. Step 4: Simplify right side
    7,486.28x = 25,734,511.97
  5. Step 5: Solve for x
    x = 25,734,511.97/7,486.28
  6. Step 6: Final answer
    x = 3,437.56

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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.