Home / 7,486.48-11,229.72-2,291.68

Finding the Fourth Proportional to 7,486.48, 11,229.72 and 2,291.68

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Solution

The fourth proportional to 7,486.48, 11,229.72 and 2,291.68 is: 3,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.48 : 11,229.72 = 2,291.68 : x
  2. Step 2: Convert to fraction form
    7,486.48/11,229.72 = 2,291.68/x
  3. Step 3: Cross multiply
    7,486.48x = 11,229.72 × 2,291.68
  4. Step 4: Simplify right side
    7,486.48x = 25,734,924.73
  5. Step 5: Solve for x
    x = 25,734,924.73/7,486.48
  6. Step 6: Final answer
    x = 3,437.52

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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.