Home / 10,759.23-16,138.91-4,911.75

Finding the Fourth Proportional to 10,759.23, 16,138.91 and 4,911.75

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Solution

The fourth proportional to 10,759.23, 16,138.91 and 4,911.75 is: 7,367.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.23 : 16,138.91 = 4,911.75 : x
  2. Step 2: Convert to fraction form
    10,759.23/16,138.91 = 4,911.75/x
  3. Step 3: Cross multiply
    10,759.23x = 16,138.91 × 4,911.75
  4. Step 4: Simplify right side
    10,759.23x = 79,270,266.63
  5. Step 5: Solve for x
    x = 79,270,266.63/10,759.23
  6. Step 6: Final answer
    x = 7,367.65

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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.