Home / 11,775.20-17,662.80-3,010.12

Finding the Fourth Proportional to 11,775.20, 17,662.80 and 3,010.12

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Solution

The fourth proportional to 11,775.20, 17,662.80 and 3,010.12 is: 4,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.20 : 17,662.80 = 3,010.12 : x
  2. Step 2: Convert to fraction form
    11,775.20/17,662.80 = 3,010.12/x
  3. Step 3: Cross multiply
    11,775.20x = 17,662.80 × 3,010.12
  4. Step 4: Simplify right side
    11,775.20x = 53,167,147.54
  5. Step 5: Solve for x
    x = 53,167,147.54/11,775.20
  6. Step 6: Final answer
    x = 4,515.18

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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.