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Finding the Fourth Proportional to 7,896.75, 10,896.99 and 4,359.93

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Solution

The fourth proportional to 7,896.75, 10,896.99 and 4,359.93 is: 6,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.75 : 10,896.99 = 4,359.93 : x
  2. Step 2: Convert to fraction form
    7,896.75/10,896.99 = 4,359.93/x
  3. Step 3: Cross multiply
    7,896.75x = 10,896.99 × 4,359.93
  4. Step 4: Simplify right side
    7,896.75x = 47,510,113.61
  5. Step 5: Solve for x
    x = 47,510,113.61/7,896.75
  6. Step 6: Final answer
    x = 6,016.41

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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.