Home / 8,946.69-13,422.20-3,754.05

Finding the Fourth Proportional to 8,946.69, 13,422.20 and 3,754.05

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Solution

The fourth proportional to 8,946.69, 13,422.20 and 3,754.05 is: 5,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.69 : 13,422.20 = 3,754.05 : x
  2. Step 2: Convert to fraction form
    8,946.69/13,422.20 = 3,754.05/x
  3. Step 3: Cross multiply
    8,946.69x = 13,422.20 × 3,754.05
  4. Step 4: Simplify right side
    8,946.69x = 50,387,591.14
  5. Step 5: Solve for x
    x = 50,387,591.14/8,946.69
  6. Step 6: Final answer
    x = 5,631.98

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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.