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Finding the Fourth Proportional to 7,895.98, 10,896.28 and 4,310.82

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Solution

The fourth proportional to 7,895.98, 10,896.28 and 4,310.82 is: 5,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.98 : 10,896.28 = 4,310.82 : x
  2. Step 2: Convert to fraction form
    7,895.98/10,896.28 = 4,310.82/x
  3. Step 3: Cross multiply
    7,895.98x = 10,896.28 × 4,310.82
  4. Step 4: Simplify right side
    7,895.98x = 46,971,901.75
  5. Step 5: Solve for x
    x = 46,971,901.75/7,895.98
  6. Step 6: Final answer
    x = 5,948.84

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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.