Home / 8,082.24-11,141.79-5,352.21

Finding the Fourth Proportional to 8,082.24, 11,141.79 and 5,352.21

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Solution

The fourth proportional to 8,082.24, 11,141.79 and 5,352.21 is: 7,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.24 : 11,141.79 = 5,352.21 : x
  2. Step 2: Convert to fraction form
    8,082.24/11,141.79 = 5,352.21/x
  3. Step 3: Cross multiply
    8,082.24x = 11,141.79 × 5,352.21
  4. Step 4: Simplify right side
    8,082.24x = 59,633,199.86
  5. Step 5: Solve for x
    x = 59,633,199.86/8,082.24
  6. Step 6: Final answer
    x = 7,378.30

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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.