Home / 11,704.14-16,147.70-6,666.53

Finding the Fourth Proportional to 11,704.14, 16,147.70 and 6,666.53

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Solution

The fourth proportional to 11,704.14, 16,147.70 and 6,666.53 is: 9,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.14 : 16,147.70 = 6,666.53 : x
  2. Step 2: Convert to fraction form
    11,704.14/16,147.70 = 6,666.53/x
  3. Step 3: Cross multiply
    11,704.14x = 16,147.70 × 6,666.53
  4. Step 4: Simplify right side
    11,704.14x = 107,649,012.41
  5. Step 5: Solve for x
    x = 107,649,012.41/11,704.14
  6. Step 6: Final answer
    x = 9,197.52

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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.