Home / 11,982.22-16,535.42-6,947.46

Finding the Fourth Proportional to 11,982.22, 16,535.42 and 6,947.46

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Solution

The fourth proportional to 11,982.22, 16,535.42 and 6,947.46 is: 9,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.22 : 16,535.42 = 6,947.46 : x
  2. Step 2: Convert to fraction form
    11,982.22/16,535.42 = 6,947.46/x
  3. Step 3: Cross multiply
    11,982.22x = 16,535.42 × 6,947.46
  4. Step 4: Simplify right side
    11,982.22x = 114,879,169.03
  5. Step 5: Solve for x
    x = 114,879,169.03/11,982.22
  6. Step 6: Final answer
    x = 9,587.47

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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.