Home / 9,819.59-14,720.67-3,578.44

Finding the Fourth Proportional to 9,819.59, 14,720.67 and 3,578.44

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Solution

The fourth proportional to 9,819.59, 14,720.67 and 3,578.44 is: 5,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.59 : 14,720.67 = 3,578.44 : x
  2. Step 2: Convert to fraction form
    9,819.59/14,720.67 = 3,578.44/x
  3. Step 3: Cross multiply
    9,819.59x = 14,720.67 × 3,578.44
  4. Step 4: Simplify right side
    9,819.59x = 52,676,997.55
  5. Step 5: Solve for x
    x = 52,676,997.55/9,819.59
  6. Step 6: Final answer
    x = 5,364.48

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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.