Home / 9,009.18-13,512.48-3,165

Finding the Fourth Proportional to 9,009.18, 13,512.48 and 3,165

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Solution

The fourth proportional to 9,009.18, 13,512.48 and 3,165 is: 4,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.18 : 13,512.48 = 3,165 : x
  2. Step 2: Convert to fraction form
    9,009.18/13,512.48 = 3,165/x
  3. Step 3: Cross multiply
    9,009.18x = 13,512.48 × 3,165
  4. Step 4: Simplify right side
    9,009.18x = 42,766,999.20
  5. Step 5: Solve for x
    x = 42,766,999.20/9,009.18
  6. Step 6: Final answer
    x = 4,747.05

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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.