Home / 10,759.75-16,145.10-4,917.73

Finding the Fourth Proportional to 10,759.75, 16,145.10 and 4,917.73

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Solution

The fourth proportional to 10,759.75, 16,145.10 and 4,917.73 is: 7,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.75 : 16,145.10 = 4,917.73 : x
  2. Step 2: Convert to fraction form
    10,759.75/16,145.10 = 4,917.73/x
  3. Step 3: Cross multiply
    10,759.75x = 16,145.10 × 4,917.73
  4. Step 4: Simplify right side
    10,759.75x = 79,397,242.62
  5. Step 5: Solve for x
    x = 79,397,242.62/10,759.75
  6. Step 6: Final answer
    x = 7,379.10

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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.