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Finding the Fourth Proportional to 9,957.40, 14,936.10 and 8,843.80

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Solution

The fourth proportional to 9,957.40, 14,936.10 and 8,843.80 is: 13,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.40 : 14,936.10 = 8,843.80 : x
  2. Step 2: Convert to fraction form
    9,957.40/14,936.10 = 8,843.80/x
  3. Step 3: Cross multiply
    9,957.40x = 14,936.10 × 8,843.80
  4. Step 4: Simplify right side
    9,957.40x = 132,091,881.18
  5. Step 5: Solve for x
    x = 132,091,881.18/9,957.40
  6. Step 6: Final answer
    x = 13,265.70

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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.