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Finding the Fourth Proportional to 8,673.28, 12,995.04 and 6,836.16

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Solution

The fourth proportional to 8,673.28, 12,995.04 and 6,836.16 is: 10,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.28 : 12,995.04 = 6,836.16 : x
  2. Step 2: Convert to fraction form
    8,673.28/12,995.04 = 6,836.16/x
  3. Step 3: Cross multiply
    8,673.28x = 12,995.04 × 6,836.16
  4. Step 4: Simplify right side
    8,673.28x = 88,836,172.65
  5. Step 5: Solve for x
    x = 88,836,172.65/8,673.28
  6. Step 6: Final answer
    x = 10,242.51

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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.