Home / 12,488.24-18,732.96-4,696.44

Finding the Fourth Proportional to 12,488.24, 18,732.96 and 4,696.44

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Solution

The fourth proportional to 12,488.24, 18,732.96 and 4,696.44 is: 7,044.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.24 : 18,732.96 = 4,696.44 : x
  2. Step 2: Convert to fraction form
    12,488.24/18,732.96 = 4,696.44/x
  3. Step 3: Cross multiply
    12,488.24x = 18,732.96 × 4,696.44
  4. Step 4: Simplify right side
    12,488.24x = 87,978,222.66
  5. Step 5: Solve for x
    x = 87,978,222.66/12,488.24
  6. Step 6: Final answer
    x = 7,044.89

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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.