Home / 11,580.22-17,370.34-2,815.08

Finding the Fourth Proportional to 11,580.22, 17,370.34 and 2,815.08

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Solution

The fourth proportional to 11,580.22, 17,370.34 and 2,815.08 is: 4,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.22 : 17,370.34 = 2,815.08 : x
  2. Step 2: Convert to fraction form
    11,580.22/17,370.34 = 2,815.08/x
  3. Step 3: Cross multiply
    11,580.22x = 17,370.34 × 2,815.08
  4. Step 4: Simplify right side
    11,580.22x = 48,898,896.73
  5. Step 5: Solve for x
    x = 48,898,896.73/11,580.22
  6. Step 6: Final answer
    x = 4,222.62

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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.