Home / 11,755.48-16,222.92-6,450.64

Finding the Fourth Proportional to 11,755.48, 16,222.92 and 6,450.64

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Solution

The fourth proportional to 11,755.48, 16,222.92 and 6,450.64 is: 8,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.48 : 16,222.92 = 6,450.64 : x
  2. Step 2: Convert to fraction form
    11,755.48/16,222.92 = 6,450.64/x
  3. Step 3: Cross multiply
    11,755.48x = 16,222.92 × 6,450.64
  4. Step 4: Simplify right side
    11,755.48x = 104,648,216.67
  5. Step 5: Solve for x
    x = 104,648,216.67/11,755.48
  6. Step 6: Final answer
    x = 8,902.08

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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.