Home / 11,293.97-15,588.27-7,517.28

Finding the Fourth Proportional to 11,293.97, 15,588.27 and 7,517.28

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Solution

The fourth proportional to 11,293.97, 15,588.27 and 7,517.28 is: 10,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.97 : 15,588.27 = 7,517.28 : x
  2. Step 2: Convert to fraction form
    11,293.97/15,588.27 = 7,517.28/x
  3. Step 3: Cross multiply
    11,293.97x = 15,588.27 × 7,517.28
  4. Step 4: Simplify right side
    11,293.97x = 117,181,409.10
  5. Step 5: Solve for x
    x = 117,181,409.10/11,293.97
  6. Step 6: Final answer
    x = 10,375.58

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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.