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Finding the Fourth Proportional to 11,374.56, 15,696.39 and 6,339.33

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Solution

The fourth proportional to 11,374.56, 15,696.39 and 6,339.33 is: 8,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.56 : 15,696.39 = 6,339.33 : x
  2. Step 2: Convert to fraction form
    11,374.56/15,696.39 = 6,339.33/x
  3. Step 3: Cross multiply
    11,374.56x = 15,696.39 × 6,339.33
  4. Step 4: Simplify right side
    11,374.56x = 99,504,596.02
  5. Step 5: Solve for x
    x = 99,504,596.02/11,374.56
  6. Step 6: Final answer
    x = 8,748.00

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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.