Home / 9,168.75-13,753.13-3,325.37

Finding the Fourth Proportional to 9,168.75, 13,753.13 and 3,325.37

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Solution

The fourth proportional to 9,168.75, 13,753.13 and 3,325.37 is: 4,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.75 : 13,753.13 = 3,325.37 : x
  2. Step 2: Convert to fraction form
    9,168.75/13,753.13 = 3,325.37/x
  3. Step 3: Cross multiply
    9,168.75x = 13,753.13 × 3,325.37
  4. Step 4: Simplify right side
    9,168.75x = 45,734,160.52
  5. Step 5: Solve for x
    x = 45,734,160.52/9,168.75
  6. Step 6: Final answer
    x = 4,988.05

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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.