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Finding the Fourth Proportional to 11,596.40, 17,375.40 and 9,868.40

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Solution

The fourth proportional to 11,596.40, 17,375.40 and 9,868.40 is: 14,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,596.40 : 17,375.40 = 9,868.40 : x
  2. Step 2: Convert to fraction form
    11,596.40/17,375.40 = 9,868.40/x
  3. Step 3: Cross multiply
    11,596.40x = 17,375.40 × 9,868.40
  4. Step 4: Simplify right side
    11,596.40x = 171,467,397.36
  5. Step 5: Solve for x
    x = 171,467,397.36/11,596.40
  6. Step 6: Final answer
    x = 14,786.26

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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.