Home / 11,550.43-15,935.97-7,069.51

Finding the Fourth Proportional to 11,550.43, 15,935.97 and 7,069.51

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Solution

The fourth proportional to 11,550.43, 15,935.97 and 7,069.51 is: 9,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.43 : 15,935.97 = 7,069.51 : x
  2. Step 2: Convert to fraction form
    11,550.43/15,935.97 = 7,069.51/x
  3. Step 3: Cross multiply
    11,550.43x = 15,935.97 × 7,069.51
  4. Step 4: Simplify right side
    11,550.43x = 112,659,499.27
  5. Step 5: Solve for x
    x = 112,659,499.27/11,550.43
  6. Step 6: Final answer
    x = 9,753.71

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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.