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Finding the Fourth Proportional to 8,876.10, 13,314.15 and 6,929.94

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Solution

The fourth proportional to 8,876.10, 13,314.15 and 6,929.94 is: 10,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.10 : 13,314.15 = 6,929.94 : x
  2. Step 2: Convert to fraction form
    8,876.10/13,314.15 = 6,929.94/x
  3. Step 3: Cross multiply
    8,876.10x = 13,314.15 × 6,929.94
  4. Step 4: Simplify right side
    8,876.10x = 92,266,260.65
  5. Step 5: Solve for x
    x = 92,266,260.65/8,876.10
  6. Step 6: Final answer
    x = 10,394.91

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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.