Home / 8,634.86-12,950.36-3,370.01

Finding the Fourth Proportional to 8,634.86, 12,950.36 and 3,370.01

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Solution

The fourth proportional to 8,634.86, 12,950.36 and 3,370.01 is: 5,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.86 : 12,950.36 = 3,370.01 : x
  2. Step 2: Convert to fraction form
    8,634.86/12,950.36 = 3,370.01/x
  3. Step 3: Cross multiply
    8,634.86x = 12,950.36 × 3,370.01
  4. Step 4: Simplify right side
    8,634.86x = 43,642,825.85
  5. Step 5: Solve for x
    x = 43,642,825.85/8,634.86
  6. Step 6: Final answer
    x = 5,054.26

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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.