Home / 11,832.50-17,748.34-2,947.81

Finding the Fourth Proportional to 11,832.50, 17,748.34 and 2,947.81

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Solution

The fourth proportional to 11,832.50, 17,748.34 and 2,947.81 is: 4,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.50 : 17,748.34 = 2,947.81 : x
  2. Step 2: Convert to fraction form
    11,832.50/17,748.34 = 2,947.81/x
  3. Step 3: Cross multiply
    11,832.50x = 17,748.34 × 2,947.81
  4. Step 4: Simplify right side
    11,832.50x = 52,318,734.14
  5. Step 5: Solve for x
    x = 52,318,734.14/11,832.50
  6. Step 6: Final answer
    x = 4,421.61

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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.