Home / 11,751.48-16,217.42-6,446.66

Finding the Fourth Proportional to 11,751.48, 16,217.42 and 6,446.66

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Solution

The fourth proportional to 11,751.48, 16,217.42 and 6,446.66 is: 8,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.48 : 16,217.42 = 6,446.66 : x
  2. Step 2: Convert to fraction form
    11,751.48/16,217.42 = 6,446.66/x
  3. Step 3: Cross multiply
    11,751.48x = 16,217.42 × 6,446.66
  4. Step 4: Simplify right side
    11,751.48x = 104,548,079.50
  5. Step 5: Solve for x
    x = 104,548,079.50/11,751.48
  6. Step 6: Final answer
    x = 8,896.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.