Home / 7,724.07-11,584.62-2,176.02

Finding the Fourth Proportional to 7,724.07, 11,584.62 and 2,176.02

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Solution

The fourth proportional to 7,724.07, 11,584.62 and 2,176.02 is: 3,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.07 : 11,584.62 = 2,176.02 : x
  2. Step 2: Convert to fraction form
    7,724.07/11,584.62 = 2,176.02/x
  3. Step 3: Cross multiply
    7,724.07x = 11,584.62 × 2,176.02
  4. Step 4: Simplify right side
    7,724.07x = 25,208,364.81
  5. Step 5: Solve for x
    x = 25,208,364.81/7,724.07
  6. Step 6: Final answer
    x = 3,263.61

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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.