Home / 9,150.39-13,717.17-3,305.61

Finding the Fourth Proportional to 9,150.39, 13,717.17 and 3,305.61

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Solution

The fourth proportional to 9,150.39, 13,717.17 and 3,305.61 is: 4,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.39 : 13,717.17 = 3,305.61 : x
  2. Step 2: Convert to fraction form
    9,150.39/13,717.17 = 3,305.61/x
  3. Step 3: Cross multiply
    9,150.39x = 13,717.17 × 3,305.61
  4. Step 4: Simplify right side
    9,150.39x = 45,343,614.32
  5. Step 5: Solve for x
    x = 45,343,614.32/9,150.39
  6. Step 6: Final answer
    x = 4,955.38

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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.