Home / 6,845.22-9,445.84-3,861.79

Finding the Fourth Proportional to 6,845.22, 9,445.84 and 3,861.79

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Solution

The fourth proportional to 6,845.22, 9,445.84 and 3,861.79 is: 5,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.22 : 9,445.84 = 3,861.79 : x
  2. Step 2: Convert to fraction form
    6,845.22/9,445.84 = 3,861.79/x
  3. Step 3: Cross multiply
    6,845.22x = 9,445.84 × 3,861.79
  4. Step 4: Simplify right side
    6,845.22x = 36,477,783.92
  5. Step 5: Solve for x
    x = 36,477,783.92/6,845.22
  6. Step 6: Final answer
    x = 5,328.94

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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.