Home / 10,851.20-16,251.20-7,369.60

Finding the Fourth Proportional to 10,851.20, 16,251.20 and 7,369.60

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Solution

The fourth proportional to 10,851.20, 16,251.20 and 7,369.60 is: 11,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.20 : 16,251.20 = 7,369.60 : x
  2. Step 2: Convert to fraction form
    10,851.20/16,251.20 = 7,369.60/x
  3. Step 3: Cross multiply
    10,851.20x = 16,251.20 × 7,369.60
  4. Step 4: Simplify right side
    10,851.20x = 119,764,843.52
  5. Step 5: Solve for x
    x = 119,764,843.52/10,851.20
  6. Step 6: Final answer
    x = 11,037.01

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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.