Home / 11,755.12-16,223.10-6,451.06

Finding the Fourth Proportional to 11,755.12, 16,223.10 and 6,451.06

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Solution

The fourth proportional to 11,755.12, 16,223.10 and 6,451.06 is: 8,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.12 : 16,223.10 = 6,451.06 : x
  2. Step 2: Convert to fraction form
    11,755.12/16,223.10 = 6,451.06/x
  3. Step 3: Cross multiply
    11,755.12x = 16,223.10 × 6,451.06
  4. Step 4: Simplify right side
    11,755.12x = 104,656,191.49
  5. Step 5: Solve for x
    x = 104,656,191.49/11,755.12
  6. Step 6: Final answer
    x = 8,903.03

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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.