Home / 8,929.10-13,383.12-3,082.52

Finding the Fourth Proportional to 8,929.10, 13,383.12 and 3,082.52

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Solution

The fourth proportional to 8,929.10, 13,383.12 and 3,082.52 is: 4,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.10 : 13,383.12 = 3,082.52 : x
  2. Step 2: Convert to fraction form
    8,929.10/13,383.12 = 3,082.52/x
  3. Step 3: Cross multiply
    8,929.10x = 13,383.12 × 3,082.52
  4. Step 4: Simplify right side
    8,929.10x = 41,253,735.06
  5. Step 5: Solve for x
    x = 41,253,735.06/8,929.10
  6. Step 6: Final answer
    x = 4,620.14

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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.