Home / 7,960.20-11,924.10-4,066.80

Finding the Fourth Proportional to 7,960.20, 11,924.10 and 4,066.80

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Solution

The fourth proportional to 7,960.20, 11,924.10 and 4,066.80 is: 6,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.20 : 11,924.10 = 4,066.80 : x
  2. Step 2: Convert to fraction form
    7,960.20/11,924.10 = 4,066.80/x
  3. Step 3: Cross multiply
    7,960.20x = 11,924.10 × 4,066.80
  4. Step 4: Simplify right side
    7,960.20x = 48,492,929.88
  5. Step 5: Solve for x
    x = 48,492,929.88/7,960.20
  6. Step 6: Final answer
    x = 6,091.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.