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Finding the Fourth Proportional to 11,125.69, 16,694.29 and 4,890.08

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Solution

The fourth proportional to 11,125.69, 16,694.29 and 4,890.08 is: 7,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.69 : 16,694.29 = 4,890.08 : x
  2. Step 2: Convert to fraction form
    11,125.69/16,694.29 = 4,890.08/x
  3. Step 3: Cross multiply
    11,125.69x = 16,694.29 × 4,890.08
  4. Step 4: Simplify right side
    11,125.69x = 81,636,413.64
  5. Step 5: Solve for x
    x = 81,636,413.64/11,125.69
  6. Step 6: Final answer
    x = 7,337.65

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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.