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Finding the Fourth Proportional to 9,212.15, 13,834.02 and 8,796.62

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Solution

The fourth proportional to 9,212.15, 13,834.02 and 8,796.62 is: 13,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.15 : 13,834.02 = 8,796.62 : x
  2. Step 2: Convert to fraction form
    9,212.15/13,834.02 = 8,796.62/x
  3. Step 3: Cross multiply
    9,212.15x = 13,834.02 × 8,796.62
  4. Step 4: Simplify right side
    9,212.15x = 121,692,617.01
  5. Step 5: Solve for x
    x = 121,692,617.01/9,212.15
  6. Step 6: Final answer
    x = 13,210.01

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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.