Home / 9,082.70-13,629.31-3,817.29

Finding the Fourth Proportional to 9,082.70, 13,629.31 and 3,817.29

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Solution

The fourth proportional to 9,082.70, 13,629.31 and 3,817.29 is: 5,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.70 : 13,629.31 = 3,817.29 : x
  2. Step 2: Convert to fraction form
    9,082.70/13,629.31 = 3,817.29/x
  3. Step 3: Cross multiply
    9,082.70x = 13,629.31 × 3,817.29
  4. Step 4: Simplify right side
    9,082.70x = 52,027,091.81
  5. Step 5: Solve for x
    x = 52,027,091.81/9,082.70
  6. Step 6: Final answer
    x = 5,728.15

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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.