Home / 11,586.24-17,379.36-2,821.10

Finding the Fourth Proportional to 11,586.24, 17,379.36 and 2,821.10

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Solution

The fourth proportional to 11,586.24, 17,379.36 and 2,821.10 is: 4,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.24 : 17,379.36 = 2,821.10 : x
  2. Step 2: Convert to fraction form
    11,586.24/17,379.36 = 2,821.10/x
  3. Step 3: Cross multiply
    11,586.24x = 17,379.36 × 2,821.10
  4. Step 4: Simplify right side
    11,586.24x = 49,028,825.60
  5. Step 5: Solve for x
    x = 49,028,825.60/11,586.24
  6. Step 6: Final answer
    x = 4,231.64

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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.