Home / 11,201.38-15,464.56-9,955.82

Finding the Fourth Proportional to 11,201.38, 15,464.56 and 9,955.82

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Solution

The fourth proportional to 11,201.38, 15,464.56 and 9,955.82 is: 13,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.38 : 15,464.56 = 9,955.82 : x
  2. Step 2: Convert to fraction form
    11,201.38/15,464.56 = 9,955.82/x
  3. Step 3: Cross multiply
    11,201.38x = 15,464.56 × 9,955.82
  4. Step 4: Simplify right side
    11,201.38x = 153,962,375.74
  5. Step 5: Solve for x
    x = 153,962,375.74/11,201.38
  6. Step 6: Final answer
    x = 13,744.95

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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.