Home / 6,213.84-8,575.12-3,419.34

Finding the Fourth Proportional to 6,213.84, 8,575.12 and 3,419.34

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Solution

The fourth proportional to 6,213.84, 8,575.12 and 3,419.34 is: 4,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.84 : 8,575.12 = 3,419.34 : x
  2. Step 2: Convert to fraction form
    6,213.84/8,575.12 = 3,419.34/x
  3. Step 3: Cross multiply
    6,213.84x = 8,575.12 × 3,419.34
  4. Step 4: Simplify right side
    6,213.84x = 29,321,250.82
  5. Step 5: Solve for x
    x = 29,321,250.82/6,213.84
  6. Step 6: Final answer
    x = 4,718.70

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Half scale
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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.