Home / 11,740.28-17,610.23-2,855.68

Finding the Fourth Proportional to 11,740.28, 17,610.23 and 2,855.68

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Solution

The fourth proportional to 11,740.28, 17,610.23 and 2,855.68 is: 4,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.28 : 17,610.23 = 2,855.68 : x
  2. Step 2: Convert to fraction form
    11,740.28/17,610.23 = 2,855.68/x
  3. Step 3: Cross multiply
    11,740.28x = 17,610.23 × 2,855.68
  4. Step 4: Simplify right side
    11,740.28x = 50,289,144.72
  5. Step 5: Solve for x
    x = 50,289,144.72/11,740.28
  6. Step 6: Final answer
    x = 4,283.47

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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.