Home / 7,479.64-11,218.18-3,374.68

Finding the Fourth Proportional to 7,479.64, 11,218.18 and 3,374.68

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Solution

The fourth proportional to 7,479.64, 11,218.18 and 3,374.68 is: 5,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.64 : 11,218.18 = 3,374.68 : x
  2. Step 2: Convert to fraction form
    7,479.64/11,218.18 = 3,374.68/x
  3. Step 3: Cross multiply
    7,479.64x = 11,218.18 × 3,374.68
  4. Step 4: Simplify right side
    7,479.64x = 37,857,767.68
  5. Step 5: Solve for x
    x = 37,857,767.68/7,479.64
  6. Step 6: Final answer
    x = 5,061.44

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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.