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Finding the Fourth Proportional to 11,953.02, 16,493.16 and 6,647.14

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Solution

The fourth proportional to 11,953.02, 16,493.16 and 6,647.14 is: 9,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.02 : 16,493.16 = 6,647.14 : x
  2. Step 2: Convert to fraction form
    11,953.02/16,493.16 = 6,647.14/x
  3. Step 3: Cross multiply
    11,953.02x = 16,493.16 × 6,647.14
  4. Step 4: Simplify right side
    11,953.02x = 109,632,343.56
  5. Step 5: Solve for x
    x = 109,632,343.56/11,953.02
  6. Step 6: Final answer
    x = 9,171.94

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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.