Home / 7,486.42-11,237.82-3,106.93

Finding the Fourth Proportional to 7,486.42, 11,237.82 and 3,106.93

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Solution

The fourth proportional to 7,486.42, 11,237.82 and 3,106.93 is: 4,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.42 : 11,237.82 = 3,106.93 : x
  2. Step 2: Convert to fraction form
    7,486.42/11,237.82 = 3,106.93/x
  3. Step 3: Cross multiply
    7,486.42x = 11,237.82 × 3,106.93
  4. Step 4: Simplify right side
    7,486.42x = 34,915,120.09
  5. Step 5: Solve for x
    x = 34,915,120.09/7,486.42
  6. Step 6: Final answer
    x = 4,663.79

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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.