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Finding the Fourth Proportional to 9,416.77, 12,994.70 and 5,167.73

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Solution

The fourth proportional to 9,416.77, 12,994.70 and 5,167.73 is: 7,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,416.77 : 12,994.70 = 5,167.73 : x
  2. Step 2: Convert to fraction form
    9,416.77/12,994.70 = 5,167.73/x
  3. Step 3: Cross multiply
    9,416.77x = 12,994.70 × 5,167.73
  4. Step 4: Simplify right side
    9,416.77x = 67,153,107.68
  5. Step 5: Solve for x
    x = 67,153,107.68/9,416.77
  6. Step 6: Final answer
    x = 7,131.23

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Half scale
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Double scale
Find fourth proportional to 9,417.77, 12,996.07 and 5,168.73
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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.