Home / 8,912.46-13,364.49-2,670.06

Finding the Fourth Proportional to 8,912.46, 13,364.49 and 2,670.06

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Solution

The fourth proportional to 8,912.46, 13,364.49 and 2,670.06 is: 4,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.46 : 13,364.49 = 2,670.06 : x
  2. Step 2: Convert to fraction form
    8,912.46/13,364.49 = 2,670.06/x
  3. Step 3: Cross multiply
    8,912.46x = 13,364.49 × 2,670.06
  4. Step 4: Simplify right side
    8,912.46x = 35,683,990.17
  5. Step 5: Solve for x
    x = 35,683,990.17/8,912.46
  6. Step 6: Final answer
    x = 4,003.83

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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.