Home / 9,124.39-13,678.38-3,276.91

Finding the Fourth Proportional to 9,124.39, 13,678.38 and 3,276.91

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Solution

The fourth proportional to 9,124.39, 13,678.38 and 3,276.91 is: 4,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.39 : 13,678.38 = 3,276.91 : x
  2. Step 2: Convert to fraction form
    9,124.39/13,678.38 = 3,276.91/x
  3. Step 3: Cross multiply
    9,124.39x = 13,678.38 × 3,276.91
  4. Step 4: Simplify right side
    9,124.39x = 44,822,820.21
  5. Step 5: Solve for x
    x = 44,822,820.21/9,124.39
  6. Step 6: Final answer
    x = 4,912.42

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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.