Home / 11,650.70-17,478.78-3,330.84

Finding the Fourth Proportional to 11,650.70, 17,478.78 and 3,330.84

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Solution

The fourth proportional to 11,650.70, 17,478.78 and 3,330.84 is: 4,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.70 : 17,478.78 = 3,330.84 : x
  2. Step 2: Convert to fraction form
    11,650.70/17,478.78 = 3,330.84/x
  3. Step 3: Cross multiply
    11,650.70x = 17,478.78 × 3,330.84
  4. Step 4: Simplify right side
    11,650.70x = 58,219,019.58
  5. Step 5: Solve for x
    x = 58,219,019.58/11,650.70
  6. Step 6: Final answer
    x = 4,997.04

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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.