Home / 7,431.87-11,082.30-7,365.25

Finding the Fourth Proportional to 7,431.87, 11,082.30 and 7,365.25

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Solution

The fourth proportional to 7,431.87, 11,082.30 and 7,365.25 is: 10,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.87 : 11,082.30 = 7,365.25 : x
  2. Step 2: Convert to fraction form
    7,431.87/11,082.30 = 7,365.25/x
  3. Step 3: Cross multiply
    7,431.87x = 11,082.30 × 7,365.25
  4. Step 4: Simplify right side
    7,431.87x = 81,623,910.08
  5. Step 5: Solve for x
    x = 81,623,910.08/7,431.87
  6. Step 6: Final answer
    x = 10,982.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.