Home / 11,756.21-16,223.82-6,451.02

Finding the Fourth Proportional to 11,756.21, 16,223.82 and 6,451.02

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Solution

The fourth proportional to 11,756.21, 16,223.82 and 6,451.02 is: 8,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.21 : 16,223.82 = 6,451.02 : x
  2. Step 2: Convert to fraction form
    11,756.21/16,223.82 = 6,451.02/x
  3. Step 3: Cross multiply
    11,756.21x = 16,223.82 × 6,451.02
  4. Step 4: Simplify right side
    11,756.21x = 104,660,163.11
  5. Step 5: Solve for x
    x = 104,660,163.11/11,756.21
  6. Step 6: Final answer
    x = 8,902.55

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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.