Home / 10,990.77-16,486.91-4,416.94

Finding the Fourth Proportional to 10,990.77, 16,486.91 and 4,416.94

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Solution

The fourth proportional to 10,990.77, 16,486.91 and 4,416.94 is: 6,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.77 : 16,486.91 = 4,416.94 : x
  2. Step 2: Convert to fraction form
    10,990.77/16,486.91 = 4,416.94/x
  3. Step 3: Cross multiply
    10,990.77x = 16,486.91 × 4,416.94
  4. Step 4: Simplify right side
    10,990.77x = 72,821,692.26
  5. Step 5: Solve for x
    x = 72,821,692.26/10,990.77
  6. Step 6: Final answer
    x = 6,625.71

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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.