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Finding the Fourth Proportional to 11,699.29, 17,556.06 and 6,156.58

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Solution

The fourth proportional to 11,699.29, 17,556.06 and 6,156.58 is: 9,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.29 : 17,556.06 = 6,156.58 : x
  2. Step 2: Convert to fraction form
    11,699.29/17,556.06 = 6,156.58/x
  3. Step 3: Cross multiply
    11,699.29x = 17,556.06 × 6,156.58
  4. Step 4: Simplify right side
    11,699.29x = 108,085,287.87
  5. Step 5: Solve for x
    x = 108,085,287.87/11,699.29
  6. Step 6: Final answer
    x = 9,238.62

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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.