Home / 10,861.78-16,295.10-3,466.66

Finding the Fourth Proportional to 10,861.78, 16,295.10 and 3,466.66

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Solution

The fourth proportional to 10,861.78, 16,295.10 and 3,466.66 is: 5,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.78 : 16,295.10 = 3,466.66 : x
  2. Step 2: Convert to fraction form
    10,861.78/16,295.10 = 3,466.66/x
  3. Step 3: Cross multiply
    10,861.78x = 16,295.10 × 3,466.66
  4. Step 4: Simplify right side
    10,861.78x = 56,489,571.37
  5. Step 5: Solve for x
    x = 56,489,571.37/10,861.78
  6. Step 6: Final answer
    x = 5,200.77

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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.