Home / 7,481.32-11,212.92-3,312.34

Finding the Fourth Proportional to 7,481.32, 11,212.92 and 3,312.34

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Solution

The fourth proportional to 7,481.32, 11,212.92 and 3,312.34 is: 4,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.32 : 11,212.92 = 3,312.34 : x
  2. Step 2: Convert to fraction form
    7,481.32/11,212.92 = 3,312.34/x
  3. Step 3: Cross multiply
    7,481.32x = 11,212.92 × 3,312.34
  4. Step 4: Simplify right side
    7,481.32x = 37,141,003.43
  5. Step 5: Solve for x
    x = 37,141,003.43/7,481.32
  6. Step 6: Final answer
    x = 4,964.50

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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.