Home / 7,905.06-11,856.78-2,061.18

Finding the Fourth Proportional to 7,905.06, 11,856.78 and 2,061.18

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Solution

The fourth proportional to 7,905.06, 11,856.78 and 2,061.18 is: 3,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.06 : 11,856.78 = 2,061.18 : x
  2. Step 2: Convert to fraction form
    7,905.06/11,856.78 = 2,061.18/x
  3. Step 3: Cross multiply
    7,905.06x = 11,856.78 × 2,061.18
  4. Step 4: Simplify right side
    7,905.06x = 24,438,957.80
  5. Step 5: Solve for x
    x = 24,438,957.80/7,905.06
  6. Step 6: Final answer
    x = 3,091.56

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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.