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Finding the Fourth Proportional to 11,897.40, 17,846.10 and 9,996.60

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Solution

The fourth proportional to 11,897.40, 17,846.10 and 9,996.60 is: 14,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.40 : 17,846.10 = 9,996.60 : x
  2. Step 2: Convert to fraction form
    11,897.40/17,846.10 = 9,996.60/x
  3. Step 3: Cross multiply
    11,897.40x = 17,846.10 × 9,996.60
  4. Step 4: Simplify right side
    11,897.40x = 178,400,323.26
  5. Step 5: Solve for x
    x = 178,400,323.26/11,897.40
  6. Step 6: Final answer
    x = 14,994.90

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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.