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Finding the Fourth Proportional to 11,903.96, 17,853.62 and 8,754.68

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Solution

The fourth proportional to 11,903.96, 17,853.62 and 8,754.68 is: 13,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.96 : 17,853.62 = 8,754.68 : x
  2. Step 2: Convert to fraction form
    11,903.96/17,853.62 = 8,754.68/x
  3. Step 3: Cross multiply
    11,903.96x = 17,853.62 × 8,754.68
  4. Step 4: Simplify right side
    11,903.96x = 156,302,729.94
  5. Step 5: Solve for x
    x = 156,302,729.94/11,903.96
  6. Step 6: Final answer
    x = 13,130.31

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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.