Home / 7,979.24-11,968.54-3,048.68

Finding the Fourth Proportional to 7,979.24, 11,968.54 and 3,048.68

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Solution

The fourth proportional to 7,979.24, 11,968.54 and 3,048.68 is: 4,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.24 : 11,968.54 = 3,048.68 : x
  2. Step 2: Convert to fraction form
    7,979.24/11,968.54 = 3,048.68/x
  3. Step 3: Cross multiply
    7,979.24x = 11,968.54 × 3,048.68
  4. Step 4: Simplify right side
    7,979.24x = 36,488,248.53
  5. Step 5: Solve for x
    x = 36,488,248.53/7,979.24
  6. Step 6: Final answer
    x = 4,572.90

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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.