Home / 11,131.96-16,701.09-5,578.60

Finding the Fourth Proportional to 11,131.96, 16,701.09 and 5,578.60

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Solution

The fourth proportional to 11,131.96, 16,701.09 and 5,578.60 is: 8,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.96 : 16,701.09 = 5,578.60 : x
  2. Step 2: Convert to fraction form
    11,131.96/16,701.09 = 5,578.60/x
  3. Step 3: Cross multiply
    11,131.96x = 16,701.09 × 5,578.60
  4. Step 4: Simplify right side
    11,131.96x = 93,168,700.67
  5. Step 5: Solve for x
    x = 93,168,700.67/11,131.96
  6. Step 6: Final answer
    x = 8,369.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.