Home / 8,018.57-11,065.43-4,433.81

Finding the Fourth Proportional to 8,018.57, 11,065.43 and 4,433.81

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Solution

The fourth proportional to 8,018.57, 11,065.43 and 4,433.81 is: 6,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.57 : 11,065.43 = 4,433.81 : x
  2. Step 2: Convert to fraction form
    8,018.57/11,065.43 = 4,433.81/x
  3. Step 3: Cross multiply
    8,018.57x = 11,065.43 × 4,433.81
  4. Step 4: Simplify right side
    8,018.57x = 49,061,969.95
  5. Step 5: Solve for x
    x = 49,061,969.95/8,018.57
  6. Step 6: Final answer
    x = 6,118.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.