Home / 7,623.15-10,521.99-4,481.43

Finding the Fourth Proportional to 7,623.15, 10,521.99 and 4,481.43

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Solution

The fourth proportional to 7,623.15, 10,521.99 and 4,481.43 is: 6,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.15 : 10,521.99 = 4,481.43 : x
  2. Step 2: Convert to fraction form
    7,623.15/10,521.99 = 4,481.43/x
  3. Step 3: Cross multiply
    7,623.15x = 10,521.99 × 4,481.43
  4. Step 4: Simplify right side
    7,623.15x = 47,153,561.65
  5. Step 5: Solve for x
    x = 47,153,561.65/7,623.15
  6. Step 6: Final answer
    x = 6,185.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.