Home / 9,896.50-13,657.17-5,704.75

Finding the Fourth Proportional to 9,896.50, 13,657.17 and 5,704.75

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Solution

The fourth proportional to 9,896.50, 13,657.17 and 5,704.75 is: 7,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.50 : 13,657.17 = 5,704.75 : x
  2. Step 2: Convert to fraction form
    9,896.50/13,657.17 = 5,704.75/x
  3. Step 3: Cross multiply
    9,896.50x = 13,657.17 × 5,704.75
  4. Step 4: Simplify right side
    9,896.50x = 77,910,740.56
  5. Step 5: Solve for x
    x = 77,910,740.56/9,896.50
  6. Step 6: Final answer
    x = 7,872.56

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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.