Home / 13,171.92-18,176.34-7,202.34

Finding the Fourth Proportional to 13,171.92, 18,176.34 and 7,202.34

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Solution

The fourth proportional to 13,171.92, 18,176.34 and 7,202.34 is: 9,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.92 : 18,176.34 = 7,202.34 : x
  2. Step 2: Convert to fraction form
    13,171.92/18,176.34 = 7,202.34/x
  3. Step 3: Cross multiply
    13,171.92x = 18,176.34 × 7,202.34
  4. Step 4: Simplify right side
    13,171.92x = 130,912,180.64
  5. Step 5: Solve for x
    x = 130,912,180.64/13,171.92
  6. Step 6: Final answer
    x = 9,938.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.