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Finding the Fourth Proportional to 8,793.36, 13,190.04 and 8,210.16

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Solution

The fourth proportional to 8,793.36, 13,190.04 and 8,210.16 is: 12,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.36 : 13,190.04 = 8,210.16 : x
  2. Step 2: Convert to fraction form
    8,793.36/13,190.04 = 8,210.16/x
  3. Step 3: Cross multiply
    8,793.36x = 13,190.04 × 8,210.16
  4. Step 4: Simplify right side
    8,793.36x = 108,292,338.81
  5. Step 5: Solve for x
    x = 108,292,338.81/8,793.36
  6. Step 6: Final answer
    x = 12,315.24

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Similar ratio
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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.