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Finding the Fourth Proportional to 7,891.91, 10,896.00 and 6,013.18

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Solution

The fourth proportional to 7,891.91, 10,896.00 and 6,013.18 is: 8,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.91 : 10,896.00 = 6,013.18 : x
  2. Step 2: Convert to fraction form
    7,891.91/10,896.00 = 6,013.18/x
  3. Step 3: Cross multiply
    7,891.91x = 10,896.00 × 6,013.18
  4. Step 4: Simplify right side
    7,891.91x = 65,519,640.58
  5. Step 5: Solve for x
    x = 65,519,640.58/7,891.91
  6. Step 6: Final answer
    x = 8,302.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.