Home / 8,081.24-12,123.54-2,816.37

Finding the Fourth Proportional to 8,081.24, 12,123.54 and 2,816.37

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Solution

The fourth proportional to 8,081.24, 12,123.54 and 2,816.37 is: 4,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.24 : 12,123.54 = 2,816.37 : x
  2. Step 2: Convert to fraction form
    8,081.24/12,123.54 = 2,816.37/x
  3. Step 3: Cross multiply
    8,081.24x = 12,123.54 × 2,816.37
  4. Step 4: Simplify right side
    8,081.24x = 34,144,374.35
  5. Step 5: Solve for x
    x = 34,144,374.35/8,081.24
  6. Step 6: Final answer
    x = 4,225.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.