Home / 11,415.06-17,122.52-4,018.64

Finding the Fourth Proportional to 11,415.06, 17,122.52 and 4,018.64

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Solution

The fourth proportional to 11,415.06, 17,122.52 and 4,018.64 is: 6,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.06 : 17,122.52 = 4,018.64 : x
  2. Step 2: Convert to fraction form
    11,415.06/17,122.52 = 4,018.64/x
  3. Step 3: Cross multiply
    11,415.06x = 17,122.52 × 4,018.64
  4. Step 4: Simplify right side
    11,415.06x = 68,809,168.21
  5. Step 5: Solve for x
    x = 68,809,168.21/11,415.06
  6. Step 6: Final answer
    x = 6,027.93

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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.