Home / 11,223.75-16,835.63-3,015.75

Finding the Fourth Proportional to 11,223.75, 16,835.63 and 3,015.75

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Solution

The fourth proportional to 11,223.75, 16,835.63 and 3,015.75 is: 4,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.75 : 16,835.63 = 3,015.75 : x
  2. Step 2: Convert to fraction form
    11,223.75/16,835.63 = 3,015.75/x
  3. Step 3: Cross multiply
    11,223.75x = 16,835.63 × 3,015.75
  4. Step 4: Simplify right side
    11,223.75x = 50,772,051.17
  5. Step 5: Solve for x
    x = 50,772,051.17/11,223.75
  6. Step 6: Final answer
    x = 4,523.63

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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.