Home / 12,195.52-18,293.28-2,961.52

Finding the Fourth Proportional to 12,195.52, 18,293.28 and 2,961.52

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Solution

The fourth proportional to 12,195.52, 18,293.28 and 2,961.52 is: 4,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.52 : 18,293.28 = 2,961.52 : x
  2. Step 2: Convert to fraction form
    12,195.52/18,293.28 = 2,961.52/x
  3. Step 3: Cross multiply
    12,195.52x = 18,293.28 × 2,961.52
  4. Step 4: Simplify right side
    12,195.52x = 54,175,914.59
  5. Step 5: Solve for x
    x = 54,175,914.59/12,195.52
  6. Step 6: Final answer
    x = 4,442.28

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1.5x scale

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.