Home / 9,147.07-13,719.18-2,906.27

Finding the Fourth Proportional to 9,147.07, 13,719.18 and 2,906.27

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Solution

The fourth proportional to 9,147.07, 13,719.18 and 2,906.27 is: 4,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.07 : 13,719.18 = 2,906.27 : x
  2. Step 2: Convert to fraction form
    9,147.07/13,719.18 = 2,906.27/x
  3. Step 3: Cross multiply
    9,147.07x = 13,719.18 × 2,906.27
  4. Step 4: Simplify right side
    9,147.07x = 39,871,635.01
  5. Step 5: Solve for x
    x = 39,871,635.01/9,147.07
  6. Step 6: Final answer
    x = 4,358.95

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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.