Home / 7,415.31-11,122.97-2,484.96

Finding the Fourth Proportional to 7,415.31, 11,122.97 and 2,484.96

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Solution

The fourth proportional to 7,415.31, 11,122.97 and 2,484.96 is: 3,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.31 : 11,122.97 = 2,484.96 : x
  2. Step 2: Convert to fraction form
    7,415.31/11,122.97 = 2,484.96/x
  3. Step 3: Cross multiply
    7,415.31x = 11,122.97 × 2,484.96
  4. Step 4: Simplify right side
    7,415.31x = 27,640,163.34
  5. Step 5: Solve for x
    x = 27,640,163.34/7,415.31
  6. Step 6: Final answer
    x = 3,727.44

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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.