Home / 11,660.87-17,480.27-4,645.22

Finding the Fourth Proportional to 11,660.87, 17,480.27 and 4,645.22

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Solution

The fourth proportional to 11,660.87, 17,480.27 and 4,645.22 is: 6,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.87 : 17,480.27 = 4,645.22 : x
  2. Step 2: Convert to fraction form
    11,660.87/17,480.27 = 4,645.22/x
  3. Step 3: Cross multiply
    11,660.87x = 17,480.27 × 4,645.22
  4. Step 4: Simplify right side
    11,660.87x = 81,199,624.02
  5. Step 5: Solve for x
    x = 81,199,624.02/11,660.87
  6. Step 6: Final answer
    x = 6,963.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.