Home / 6,213.68-8,575.04-3,561.47

Finding the Fourth Proportional to 6,213.68, 8,575.04 and 3,561.47

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Solution

The fourth proportional to 6,213.68, 8,575.04 and 3,561.47 is: 4,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.68 : 8,575.04 = 3,561.47 : x
  2. Step 2: Convert to fraction form
    6,213.68/8,575.04 = 3,561.47/x
  3. Step 3: Cross multiply
    6,213.68x = 8,575.04 × 3,561.47
  4. Step 4: Simplify right side
    6,213.68x = 30,539,729.90
  5. Step 5: Solve for x
    x = 30,539,729.90/6,213.68
  6. Step 6: Final answer
    x = 4,914.92

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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.