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Finding the Fourth Proportional to 8,363.13, 12,548.79 and 5,913.69

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Solution

The fourth proportional to 8,363.13, 12,548.79 and 5,913.69 is: 8,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.13 : 12,548.79 = 5,913.69 : x
  2. Step 2: Convert to fraction form
    8,363.13/12,548.79 = 5,913.69/x
  3. Step 3: Cross multiply
    8,363.13x = 12,548.79 × 5,913.69
  4. Step 4: Simplify right side
    8,363.13x = 74,209,653.94
  5. Step 5: Solve for x
    x = 74,209,653.94/8,363.13
  6. Step 6: Final answer
    x = 8,873.43

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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.