Home / 6,343.85-8,754.36-3,511.16

Finding the Fourth Proportional to 6,343.85, 8,754.36 and 3,511.16

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Solution

The fourth proportional to 6,343.85, 8,754.36 and 3,511.16 is: 4,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.85 : 8,754.36 = 3,511.16 : x
  2. Step 2: Convert to fraction form
    6,343.85/8,754.36 = 3,511.16/x
  3. Step 3: Cross multiply
    6,343.85x = 8,754.36 × 3,511.16
  4. Step 4: Simplify right side
    6,343.85x = 30,737,958.66
  5. Step 5: Solve for x
    x = 30,737,958.66/6,343.85
  6. Step 6: Final answer
    x = 4,845.32

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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.