Home / 11,445.89-17,165.19-3,652.88

Finding the Fourth Proportional to 11,445.89, 17,165.19 and 3,652.88

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Solution

The fourth proportional to 11,445.89, 17,165.19 and 3,652.88 is: 5,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.89 : 17,165.19 = 3,652.88 : x
  2. Step 2: Convert to fraction form
    11,445.89/17,165.19 = 3,652.88/x
  3. Step 3: Cross multiply
    11,445.89x = 17,165.19 × 3,652.88
  4. Step 4: Simplify right side
    11,445.89x = 62,702,379.25
  5. Step 5: Solve for x
    x = 62,702,379.25/11,445.89
  6. Step 6: Final answer
    x = 5,478.16

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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.