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Finding the Fourth Proportional to 11,881.98, 17,816.97 and 6,953.10

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Solution

The fourth proportional to 11,881.98, 17,816.97 and 6,953.10 is: 10,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.98 : 17,816.97 = 6,953.10 : x
  2. Step 2: Convert to fraction form
    11,881.98/17,816.97 = 6,953.10/x
  3. Step 3: Cross multiply
    11,881.98x = 17,816.97 × 6,953.10
  4. Step 4: Simplify right side
    11,881.98x = 123,883,174.11
  5. Step 5: Solve for x
    x = 123,883,174.11/11,881.98
  6. Step 6: Final answer
    x = 10,426.14

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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.