Home / 11,847.81-17,768.70-3,525.96

Finding the Fourth Proportional to 11,847.81, 17,768.70 and 3,525.96

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Solution

The fourth proportional to 11,847.81, 17,768.70 and 3,525.96 is: 5,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.81 : 17,768.70 = 3,525.96 : x
  2. Step 2: Convert to fraction form
    11,847.81/17,768.70 = 3,525.96/x
  3. Step 3: Cross multiply
    11,847.81x = 17,768.70 × 3,525.96
  4. Step 4: Simplify right side
    11,847.81x = 62,651,725.45
  5. Step 5: Solve for x
    x = 62,651,725.45/11,847.81
  6. Step 6: Final answer
    x = 5,288.04

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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.