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Finding the Fourth Proportional to 11,338.86, 17,019.06 and 6,964.86

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Solution

The fourth proportional to 11,338.86, 17,019.06 and 6,964.86 is: 10,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.86 : 17,019.06 = 6,964.86 : x
  2. Step 2: Convert to fraction form
    11,338.86/17,019.06 = 6,964.86/x
  3. Step 3: Cross multiply
    11,338.86x = 17,019.06 × 6,964.86
  4. Step 4: Simplify right side
    11,338.86x = 118,535,370.23
  5. Step 5: Solve for x
    x = 118,535,370.23/11,338.86
  6. Step 6: Final answer
    x = 10,453.91

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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.