Home / 11,104.36-15,322.17-6,629.92

Finding the Fourth Proportional to 11,104.36, 15,322.17 and 6,629.92

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Solution

The fourth proportional to 11,104.36, 15,322.17 and 6,629.92 is: 9,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.36 : 15,322.17 = 6,629.92 : x
  2. Step 2: Convert to fraction form
    11,104.36/15,322.17 = 6,629.92/x
  3. Step 3: Cross multiply
    11,104.36x = 15,322.17 × 6,629.92
  4. Step 4: Simplify right side
    11,104.36x = 101,584,761.33
  5. Step 5: Solve for x
    x = 101,584,761.33/11,104.36
  6. Step 6: Final answer
    x = 9,148.19

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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.