Home / 7,486.86-11,230.84-3,786.52

Finding the Fourth Proportional to 7,486.86, 11,230.84 and 3,786.52

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Solution

The fourth proportional to 7,486.86, 11,230.84 and 3,786.52 is: 5,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.86 : 11,230.84 = 3,786.52 : x
  2. Step 2: Convert to fraction form
    7,486.86/11,230.84 = 3,786.52/x
  3. Step 3: Cross multiply
    7,486.86x = 11,230.84 × 3,786.52
  4. Step 4: Simplify right side
    7,486.86x = 42,525,800.28
  5. Step 5: Solve for x
    x = 42,525,800.28/7,486.86
  6. Step 6: Final answer
    x = 5,680.06

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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.