Home / 11,340.72-17,010.99-4,415.22

Finding the Fourth Proportional to 11,340.72, 17,010.99 and 4,415.22

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Solution

The fourth proportional to 11,340.72, 17,010.99 and 4,415.22 is: 6,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.72 : 17,010.99 = 4,415.22 : x
  2. Step 2: Convert to fraction form
    11,340.72/17,010.99 = 4,415.22/x
  3. Step 3: Cross multiply
    11,340.72x = 17,010.99 × 4,415.22
  4. Step 4: Simplify right side
    11,340.72x = 75,107,263.27
  5. Step 5: Solve for x
    x = 75,107,263.27/11,340.72
  6. Step 6: Final answer
    x = 6,622.79

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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.