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Finding the Fourth Proportional to 11,708.75, 16,152.41 and 6,927.39

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Solution

The fourth proportional to 11,708.75, 16,152.41 and 6,927.39 is: 9,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.75 : 16,152.41 = 6,927.39 : x
  2. Step 2: Convert to fraction form
    11,708.75/16,152.41 = 6,927.39/x
  3. Step 3: Cross multiply
    11,708.75x = 16,152.41 × 6,927.39
  4. Step 4: Simplify right side
    11,708.75x = 111,894,060.83
  5. Step 5: Solve for x
    x = 111,894,060.83/11,708.75
  6. Step 6: Final answer
    x = 9,556.45

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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.