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Finding the Fourth Proportional to 11,901.48, 17,854.86 and 6,351.90

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Solution

The fourth proportional to 11,901.48, 17,854.86 and 6,351.90 is: 9,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.48 : 17,854.86 = 6,351.90 : x
  2. Step 2: Convert to fraction form
    11,901.48/17,854.86 = 6,351.90/x
  3. Step 3: Cross multiply
    11,901.48x = 17,854.86 × 6,351.90
  4. Step 4: Simplify right side
    11,901.48x = 113,412,285.23
  5. Step 5: Solve for x
    x = 113,412,285.23/11,901.48
  6. Step 6: Final answer
    x = 9,529.26

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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.