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Finding the Fourth Proportional to 9,305.41, 12,816.52 and 8,604.73

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Solution

The fourth proportional to 9,305.41, 12,816.52 and 8,604.73 is: 11,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.41 : 12,816.52 = 8,604.73 : x
  2. Step 2: Convert to fraction form
    9,305.41/12,816.52 = 8,604.73/x
  3. Step 3: Cross multiply
    9,305.41x = 12,816.52 × 8,604.73
  4. Step 4: Simplify right side
    9,305.41x = 110,282,694.14
  5. Step 5: Solve for x
    x = 110,282,694.14/9,305.41
  6. Step 6: Final answer
    x = 11,851.46

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Half scale
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Double scale
Find fourth proportional to 9,306.41, 12,817.90 and 8,605.73
Similar ratio
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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.