Home / 7,399.12-11,082.22-6,822.91

Finding the Fourth Proportional to 7,399.12, 11,082.22 and 6,822.91

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Solution

The fourth proportional to 7,399.12, 11,082.22 and 6,822.91 is: 10,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.12 : 11,082.22 = 6,822.91 : x
  2. Step 2: Convert to fraction form
    7,399.12/11,082.22 = 6,822.91/x
  3. Step 3: Cross multiply
    7,399.12x = 11,082.22 × 6,822.91
  4. Step 4: Simplify right side
    7,399.12x = 75,612,989.66
  5. Step 5: Solve for x
    x = 75,612,989.66/7,399.12
  6. Step 6: Final answer
    x = 10,219.19

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1.5x scale

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.