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Finding the Fourth Proportional to 11,995.74, 17,993.61 and 6,148.62

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Solution

The fourth proportional to 11,995.74, 17,993.61 and 6,148.62 is: 9,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.74 : 17,993.61 = 6,148.62 : x
  2. Step 2: Convert to fraction form
    11,995.74/17,993.61 = 6,148.62/x
  3. Step 3: Cross multiply
    11,995.74x = 17,993.61 × 6,148.62
  4. Step 4: Simplify right side
    11,995.74x = 110,635,870.32
  5. Step 5: Solve for x
    x = 110,635,870.32/11,995.74
  6. Step 6: Final answer
    x = 9,222.93

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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.