Home / 11,264.14-15,431.78-10,843.60

Finding the Fourth Proportional to 11,264.14, 15,431.78 and 10,843.60

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Solution

The fourth proportional to 11,264.14, 15,431.78 and 10,843.60 is: 14,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.14 : 15,431.78 = 10,843.60 : x
  2. Step 2: Convert to fraction form
    11,264.14/15,431.78 = 10,843.60/x
  3. Step 3: Cross multiply
    11,264.14x = 15,431.78 × 10,843.60
  4. Step 4: Simplify right side
    11,264.14x = 167,336,049.61
  5. Step 5: Solve for x
    x = 167,336,049.61/11,264.14
  6. Step 6: Final answer
    x = 14,855.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.