Home / 11,104.97-15,325.92-6,628.68

Finding the Fourth Proportional to 11,104.97, 15,325.92 and 6,628.68

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Solution

The fourth proportional to 11,104.97, 15,325.92 and 6,628.68 is: 9,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.97 : 15,325.92 = 6,628.68 : x
  2. Step 2: Convert to fraction form
    11,104.97/15,325.92 = 6,628.68/x
  3. Step 3: Cross multiply
    11,104.97x = 15,325.92 × 6,628.68
  4. Step 4: Simplify right side
    11,104.97x = 101,590,619.39
  5. Step 5: Solve for x
    x = 101,590,619.39/11,104.97
  6. Step 6: Final answer
    x = 9,148.22

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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.