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Finding the Fourth Proportional to 8,941.14, 12,344.76 and 7,993.86

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Solution

The fourth proportional to 8,941.14, 12,344.76 and 7,993.86 is: 11,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.14 : 12,344.76 = 7,993.86 : x
  2. Step 2: Convert to fraction form
    8,941.14/12,344.76 = 7,993.86/x
  3. Step 3: Cross multiply
    8,941.14x = 12,344.76 × 7,993.86
  4. Step 4: Simplify right side
    8,941.14x = 98,682,283.17
  5. Step 5: Solve for x
    x = 98,682,283.17/8,941.14
  6. Step 6: Final answer
    x = 11,036.88

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Half scale
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Double scale
Find fourth proportional to 8,942.14, 12,346.14 and 7,994.86
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.