Home / 11,507.22-15,940.10-11,273.94

Finding the Fourth Proportional to 11,507.22, 15,940.10 and 11,273.94

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Solution

The fourth proportional to 11,507.22, 15,940.10 and 11,273.94 is: 15,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.22 : 15,940.10 = 11,273.94 : x
  2. Step 2: Convert to fraction form
    11,507.22/15,940.10 = 11,273.94/x
  3. Step 3: Cross multiply
    11,507.22x = 15,940.10 × 11,273.94
  4. Step 4: Simplify right side
    11,507.22x = 179,707,674.62
  5. Step 5: Solve for x
    x = 179,707,674.62/11,507.22
  6. Step 6: Final answer
    x = 15,616.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.