Home / 11,755.32-16,222.37-6,450.18

Finding the Fourth Proportional to 11,755.32, 16,222.37 and 6,450.18

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Solution

The fourth proportional to 11,755.32, 16,222.37 and 6,450.18 is: 8,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.32 : 16,222.37 = 6,450.18 : x
  2. Step 2: Convert to fraction form
    11,755.32/16,222.37 = 6,450.18/x
  3. Step 3: Cross multiply
    11,755.32x = 16,222.37 × 6,450.18
  4. Step 4: Simplify right side
    11,755.32x = 104,637,174.28
  5. Step 5: Solve for x
    x = 104,637,174.28/11,755.32
  6. Step 6: Final answer
    x = 8,901.26

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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.