Home / 7,422.48-11,157.21-4,141.98

Finding the Fourth Proportional to 7,422.48, 11,157.21 and 4,141.98

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Solution

The fourth proportional to 7,422.48, 11,157.21 and 4,141.98 is: 6,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.48 : 11,157.21 = 4,141.98 : x
  2. Step 2: Convert to fraction form
    7,422.48/11,157.21 = 4,141.98/x
  3. Step 3: Cross multiply
    7,422.48x = 11,157.21 × 4,141.98
  4. Step 4: Simplify right side
    7,422.48x = 46,212,940.68
  5. Step 5: Solve for x
    x = 46,212,940.68/7,422.48
  6. Step 6: Final answer
    x = 6,226.08

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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.