Home / 7,976.51-11,967.21-4,083.65

Finding the Fourth Proportional to 7,976.51, 11,967.21 and 4,083.65

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Solution

The fourth proportional to 7,976.51, 11,967.21 and 4,083.65 is: 6,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.51 : 11,967.21 = 4,083.65 : x
  2. Step 2: Convert to fraction form
    7,976.51/11,967.21 = 4,083.65/x
  3. Step 3: Cross multiply
    7,976.51x = 11,967.21 × 4,083.65
  4. Step 4: Simplify right side
    7,976.51x = 48,869,837.28
  5. Step 5: Solve for x
    x = 48,869,837.28/7,976.51
  6. Step 6: Final answer
    x = 6,126.72

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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.