Home / 8,950.12-13,420.22-3,683.72

Finding the Fourth Proportional to 8,950.12, 13,420.22 and 3,683.72

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Solution

The fourth proportional to 8,950.12, 13,420.22 and 3,683.72 is: 5,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.12 : 13,420.22 = 3,683.72 : x
  2. Step 2: Convert to fraction form
    8,950.12/13,420.22 = 3,683.72/x
  3. Step 3: Cross multiply
    8,950.12x = 13,420.22 × 3,683.72
  4. Step 4: Simplify right side
    8,950.12x = 49,436,332.82
  5. Step 5: Solve for x
    x = 49,436,332.82/8,950.12
  6. Step 6: Final answer
    x = 5,523.54

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1.5x scale

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.