Home / 8,933.05-13,406.85-3,742.57

Finding the Fourth Proportional to 8,933.05, 13,406.85 and 3,742.57

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Solution

The fourth proportional to 8,933.05, 13,406.85 and 3,742.57 is: 5,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.05 : 13,406.85 = 3,742.57 : x
  2. Step 2: Convert to fraction form
    8,933.05/13,406.85 = 3,742.57/x
  3. Step 3: Cross multiply
    8,933.05x = 13,406.85 × 3,742.57
  4. Step 4: Simplify right side
    8,933.05x = 50,176,074.60
  5. Step 5: Solve for x
    x = 50,176,074.60/8,933.05
  6. Step 6: Final answer
    x = 5,616.90

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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.