Home / 10,705.99-16,063.57-4,136.78

Finding the Fourth Proportional to 10,705.99, 16,063.57 and 4,136.78

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Solution

The fourth proportional to 10,705.99, 16,063.57 and 4,136.78 is: 6,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.99 : 16,063.57 = 4,136.78 : x
  2. Step 2: Convert to fraction form
    10,705.99/16,063.57 = 4,136.78/x
  3. Step 3: Cross multiply
    10,705.99x = 16,063.57 × 4,136.78
  4. Step 4: Simplify right side
    10,705.99x = 66,451,455.10
  5. Step 5: Solve for x
    x = 66,451,455.10/10,705.99
  6. Step 6: Final answer
    x = 6,206.94

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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.