Home / 12,528.37-18,792.24-3,763.36

Finding the Fourth Proportional to 12,528.37, 18,792.24 and 3,763.36

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Solution

The fourth proportional to 12,528.37, 18,792.24 and 3,763.36 is: 5,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.37 : 18,792.24 = 3,763.36 : x
  2. Step 2: Convert to fraction form
    12,528.37/18,792.24 = 3,763.36/x
  3. Step 3: Cross multiply
    12,528.37x = 18,792.24 × 3,763.36
  4. Step 4: Simplify right side
    12,528.37x = 70,721,964.33
  5. Step 5: Solve for x
    x = 70,721,964.33/12,528.37
  6. Step 6: Final answer
    x = 5,644.95

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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.