Home / 8,174.96-12,253.93-3,788.81

Finding the Fourth Proportional to 8,174.96, 12,253.93 and 3,788.81

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Solution

The fourth proportional to 8,174.96, 12,253.93 and 3,788.81 is: 5,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.96 : 12,253.93 = 3,788.81 : x
  2. Step 2: Convert to fraction form
    8,174.96/12,253.93 = 3,788.81/x
  3. Step 3: Cross multiply
    8,174.96x = 12,253.93 × 3,788.81
  4. Step 4: Simplify right side
    8,174.96x = 46,427,812.52
  5. Step 5: Solve for x
    x = 46,427,812.52/8,174.96
  6. Step 6: Final answer
    x = 5,679.27

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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.