Home / 6,120.66-8,446.88-3,432.11

Finding the Fourth Proportional to 6,120.66, 8,446.88 and 3,432.11

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Solution

The fourth proportional to 6,120.66, 8,446.88 and 3,432.11 is: 4,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.66 : 8,446.88 = 3,432.11 : x
  2. Step 2: Convert to fraction form
    6,120.66/8,446.88 = 3,432.11/x
  3. Step 3: Cross multiply
    6,120.66x = 8,446.88 × 3,432.11
  4. Step 4: Simplify right side
    6,120.66x = 28,990,561.92
  5. Step 5: Solve for x
    x = 28,990,561.92/6,120.66
  6. Step 6: Final answer
    x = 4,736.51

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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.