Home / 6,343.39-8,754.31-3,511.23

Finding the Fourth Proportional to 6,343.39, 8,754.31 and 3,511.23

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Solution

The fourth proportional to 6,343.39, 8,754.31 and 3,511.23 is: 4,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.39 : 8,754.31 = 3,511.23 : x
  2. Step 2: Convert to fraction form
    6,343.39/8,754.31 = 3,511.23/x
  3. Step 3: Cross multiply
    6,343.39x = 8,754.31 × 3,511.23
  4. Step 4: Simplify right side
    6,343.39x = 30,738,395.90
  5. Step 5: Solve for x
    x = 30,738,395.90/6,343.39
  6. Step 6: Final answer
    x = 4,845.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.