Home / 7,913.56-11,873.07-2,984.61

Finding the Fourth Proportional to 7,913.56, 11,873.07 and 2,984.61

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Solution

The fourth proportional to 7,913.56, 11,873.07 and 2,984.61 is: 4,477.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.56 : 11,873.07 = 2,984.61 : x
  2. Step 2: Convert to fraction form
    7,913.56/11,873.07 = 2,984.61/x
  3. Step 3: Cross multiply
    7,913.56x = 11,873.07 × 2,984.61
  4. Step 4: Simplify right side
    7,913.56x = 35,436,424.09
  5. Step 5: Solve for x
    x = 35,436,424.09/7,913.56
  6. Step 6: Final answer
    x = 4,477.94

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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.