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Finding the Fourth Proportional to 8,867.46, 12,231.04 and 6,473.23

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Solution

The fourth proportional to 8,867.46, 12,231.04 and 6,473.23 is: 8,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.46 : 12,231.04 = 6,473.23 : x
  2. Step 2: Convert to fraction form
    8,867.46/12,231.04 = 6,473.23/x
  3. Step 3: Cross multiply
    8,867.46x = 12,231.04 × 6,473.23
  4. Step 4: Simplify right side
    8,867.46x = 79,174,335.06
  5. Step 5: Solve for x
    x = 79,174,335.06/8,867.46
  6. Step 6: Final answer
    x = 8,928.64

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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.