Home / 11,132.10-16,722.45-7,851.60

Finding the Fourth Proportional to 11,132.10, 16,722.45 and 7,851.60

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Solution

The fourth proportional to 11,132.10, 16,722.45 and 7,851.60 is: 11,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.10 : 16,722.45 = 7,851.60 : x
  2. Step 2: Convert to fraction form
    11,132.10/16,722.45 = 7,851.60/x
  3. Step 3: Cross multiply
    11,132.10x = 16,722.45 × 7,851.60
  4. Step 4: Simplify right side
    11,132.10x = 131,297,988.42
  5. Step 5: Solve for x
    x = 131,297,988.42/11,132.10
  6. Step 6: Final answer
    x = 11,794.54

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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.