Home / 11,976.12-17,984.19-7,483.64

Finding the Fourth Proportional to 11,976.12, 17,984.19 and 7,483.64

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Solution

The fourth proportional to 11,976.12, 17,984.19 and 7,483.64 is: 11,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.12 : 17,984.19 = 7,483.64 : x
  2. Step 2: Convert to fraction form
    11,976.12/17,984.19 = 7,483.64/x
  3. Step 3: Cross multiply
    11,976.12x = 17,984.19 × 7,483.64
  4. Step 4: Simplify right side
    11,976.12x = 134,587,113.73
  5. Step 5: Solve for x
    x = 134,587,113.73/11,976.12
  6. Step 6: Final answer
    x = 11,237.96

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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.