Home / 8,066.52-12,144.60-6,320.88

Finding the Fourth Proportional to 8,066.52, 12,144.60 and 6,320.88

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Solution

The fourth proportional to 8,066.52, 12,144.60 and 6,320.88 is: 9,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.52 : 12,144.60 = 6,320.88 : x
  2. Step 2: Convert to fraction form
    8,066.52/12,144.60 = 6,320.88/x
  3. Step 3: Cross multiply
    8,066.52x = 12,144.60 × 6,320.88
  4. Step 4: Simplify right side
    8,066.52x = 76,764,559.25
  5. Step 5: Solve for x
    x = 76,764,559.25/8,066.52
  6. Step 6: Final answer
    x = 9,516.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.