Home / 9,125.44-13,688.68-2,551.61

Finding the Fourth Proportional to 9,125.44, 13,688.68 and 2,551.61

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Solution

The fourth proportional to 9,125.44, 13,688.68 and 2,551.61 is: 3,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.44 : 13,688.68 = 2,551.61 : x
  2. Step 2: Convert to fraction form
    9,125.44/13,688.68 = 2,551.61/x
  3. Step 3: Cross multiply
    9,125.44x = 13,688.68 × 2,551.61
  4. Step 4: Simplify right side
    9,125.44x = 34,928,160.02
  5. Step 5: Solve for x
    x = 34,928,160.02/9,125.44
  6. Step 6: Final answer
    x = 3,827.56

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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.