Home / 7,973.12-11,963.78-3,589.55

Finding the Fourth Proportional to 7,973.12, 11,963.78 and 3,589.55

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Solution

The fourth proportional to 7,973.12, 11,963.78 and 3,589.55 is: 5,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.12 : 11,963.78 = 3,589.55 : x
  2. Step 2: Convert to fraction form
    7,973.12/11,963.78 = 3,589.55/x
  3. Step 3: Cross multiply
    7,973.12x = 11,963.78 × 3,589.55
  4. Step 4: Simplify right side
    7,973.12x = 42,944,508.73
  5. Step 5: Solve for x
    x = 42,944,508.73/7,973.12
  6. Step 6: Final answer
    x = 5,386.16

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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.