Home / 11,981.22-17,973.06-4,591.92

Finding the Fourth Proportional to 11,981.22, 17,973.06 and 4,591.92

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Solution

The fourth proportional to 11,981.22, 17,973.06 and 4,591.92 is: 6,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.22 : 17,973.06 = 4,591.92 : x
  2. Step 2: Convert to fraction form
    11,981.22/17,973.06 = 4,591.92/x
  3. Step 3: Cross multiply
    11,981.22x = 17,973.06 × 4,591.92
  4. Step 4: Simplify right side
    11,981.22x = 82,530,853.68
  5. Step 5: Solve for x
    x = 82,530,853.68/11,981.22
  6. Step 6: Final answer
    x = 6,888.35

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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.