Home / 9,115.95-13,664.85-3,852.29

Finding the Fourth Proportional to 9,115.95, 13,664.85 and 3,852.29

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Solution

The fourth proportional to 9,115.95, 13,664.85 and 3,852.29 is: 5,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.95 : 13,664.85 = 3,852.29 : x
  2. Step 2: Convert to fraction form
    9,115.95/13,664.85 = 3,852.29/x
  3. Step 3: Cross multiply
    9,115.95x = 13,664.85 × 3,852.29
  4. Step 4: Simplify right side
    9,115.95x = 52,640,933.48
  5. Step 5: Solve for x
    x = 52,640,933.48/9,115.95
  6. Step 6: Final answer
    x = 5,774.59

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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.