Home / 9,112.38-13,668.54-3,269.40

Finding the Fourth Proportional to 9,112.38, 13,668.54 and 3,269.40

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Solution

The fourth proportional to 9,112.38, 13,668.54 and 3,269.40 is: 4,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.38 : 13,668.54 = 3,269.40 : x
  2. Step 2: Convert to fraction form
    9,112.38/13,668.54 = 3,269.40/x
  3. Step 3: Cross multiply
    9,112.38x = 13,668.54 × 3,269.40
  4. Step 4: Simplify right side
    9,112.38x = 44,687,924.68
  5. Step 5: Solve for x
    x = 44,687,924.68/9,112.38
  6. Step 6: Final answer
    x = 4,904.09

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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.