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Finding the Fourth Proportional to 11,057.48, 15,258.42 and 6,089.48

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Solution

The fourth proportional to 11,057.48, 15,258.42 and 6,089.48 is: 8,402.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.48 : 15,258.42 = 6,089.48 : x
  2. Step 2: Convert to fraction form
    11,057.48/15,258.42 = 6,089.48/x
  3. Step 3: Cross multiply
    11,057.48x = 15,258.42 × 6,089.48
  4. Step 4: Simplify right side
    11,057.48x = 92,915,843.42
  5. Step 5: Solve for x
    x = 92,915,843.42/11,057.48
  6. Step 6: Final answer
    x = 8,402.99

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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.