Home / 12,531.52-18,797.28-3,297.52

Finding the Fourth Proportional to 12,531.52, 18,797.28 and 3,297.52

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Solution

The fourth proportional to 12,531.52, 18,797.28 and 3,297.52 is: 4,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.52 : 18,797.28 = 3,297.52 : x
  2. Step 2: Convert to fraction form
    12,531.52/18,797.28 = 3,297.52/x
  3. Step 3: Cross multiply
    12,531.52x = 18,797.28 × 3,297.52
  4. Step 4: Simplify right side
    12,531.52x = 61,984,406.75
  5. Step 5: Solve for x
    x = 61,984,406.75/12,531.52
  6. Step 6: Final answer
    x = 4,946.28

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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.