Home / 12,441.25-17,201.46-11,890.45

Finding the Fourth Proportional to 12,441.25, 17,201.46 and 11,890.45

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Solution

The fourth proportional to 12,441.25, 17,201.46 and 11,890.45 is: 16,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.25 : 17,201.46 = 11,890.45 : x
  2. Step 2: Convert to fraction form
    12,441.25/17,201.46 = 11,890.45/x
  3. Step 3: Cross multiply
    12,441.25x = 17,201.46 × 11,890.45
  4. Step 4: Simplify right side
    12,441.25x = 204,533,100.06
  5. Step 5: Solve for x
    x = 204,533,100.06/12,441.25
  6. Step 6: Final answer
    x = 16,439.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.