Home / 9,155.10-12,633.21-5,176.56

Finding the Fourth Proportional to 9,155.10, 12,633.21 and 5,176.56

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Solution

The fourth proportional to 9,155.10, 12,633.21 and 5,176.56 is: 7,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.10 : 12,633.21 = 5,176.56 : x
  2. Step 2: Convert to fraction form
    9,155.10/12,633.21 = 5,176.56/x
  3. Step 3: Cross multiply
    9,155.10x = 12,633.21 × 5,176.56
  4. Step 4: Simplify right side
    9,155.10x = 65,396,569.56
  5. Step 5: Solve for x
    x = 65,396,569.56/9,155.10
  6. Step 6: Final answer
    x = 7,143.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.