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Finding the Fourth Proportional to 11,347.14, 17,021.06 and 9,388.08

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Solution

The fourth proportional to 11,347.14, 17,021.06 and 9,388.08 is: 14,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.14 : 17,021.06 = 9,388.08 : x
  2. Step 2: Convert to fraction form
    11,347.14/17,021.06 = 9,388.08/x
  3. Step 3: Cross multiply
    11,347.14x = 17,021.06 × 9,388.08
  4. Step 4: Simplify right side
    11,347.14x = 159,795,072.96
  5. Step 5: Solve for x
    x = 159,795,072.96/11,347.14
  6. Step 6: Final answer
    x = 14,082.41

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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.