Home / 7,642.04-11,467.32-4,131.98

Finding the Fourth Proportional to 7,642.04, 11,467.32 and 4,131.98

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Solution

The fourth proportional to 7,642.04, 11,467.32 and 4,131.98 is: 6,200.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.04 : 11,467.32 = 4,131.98 : x
  2. Step 2: Convert to fraction form
    7,642.04/11,467.32 = 4,131.98/x
  3. Step 3: Cross multiply
    7,642.04x = 11,467.32 × 4,131.98
  4. Step 4: Simplify right side
    7,642.04x = 47,382,736.89
  5. Step 5: Solve for x
    x = 47,382,736.89/7,642.04
  6. Step 6: Final answer
    x = 6,200.27

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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.