Home / 12,551.24-18,835.76-5,162.44

Finding the Fourth Proportional to 12,551.24, 18,835.76 and 5,162.44

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Solution

The fourth proportional to 12,551.24, 18,835.76 and 5,162.44 is: 7,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.24 : 18,835.76 = 5,162.44 : x
  2. Step 2: Convert to fraction form
    12,551.24/18,835.76 = 5,162.44/x
  3. Step 3: Cross multiply
    12,551.24x = 18,835.76 × 5,162.44
  4. Step 4: Simplify right side
    12,551.24x = 97,238,480.85
  5. Step 5: Solve for x
    x = 97,238,480.85/12,551.24
  6. Step 6: Final answer
    x = 7,747.32

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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.