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Finding the Fourth Proportional to 7,876.87, 11,804.67 and 4,366.73

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Solution

The fourth proportional to 7,876.87, 11,804.67 and 4,366.73 is: 6,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.87 : 11,804.67 = 4,366.73 : x
  2. Step 2: Convert to fraction form
    7,876.87/11,804.67 = 4,366.73/x
  3. Step 3: Cross multiply
    7,876.87x = 11,804.67 × 4,366.73
  4. Step 4: Simplify right side
    7,876.87x = 51,547,836.14
  5. Step 5: Solve for x
    x = 51,547,836.14/7,876.87
  6. Step 6: Final answer
    x = 6,544.21

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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.