Home / 7,623.86-11,429.64-3,238.25

Finding the Fourth Proportional to 7,623.86, 11,429.64 and 3,238.25

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Solution

The fourth proportional to 7,623.86, 11,429.64 and 3,238.25 is: 4,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.86 : 11,429.64 = 3,238.25 : x
  2. Step 2: Convert to fraction form
    7,623.86/11,429.64 = 3,238.25/x
  3. Step 3: Cross multiply
    7,623.86x = 11,429.64 × 3,238.25
  4. Step 4: Simplify right side
    7,623.86x = 37,011,974.58
  5. Step 5: Solve for x
    x = 37,011,974.58/7,623.86
  6. Step 6: Final answer
    x = 4,854.76

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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.