Home / 8,018.16-11,065.29-4,481.38

Finding the Fourth Proportional to 8,018.16, 11,065.29 and 4,481.38

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Solution

The fourth proportional to 8,018.16, 11,065.29 and 4,481.38 is: 6,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.16 : 11,065.29 = 4,481.38 : x
  2. Step 2: Convert to fraction form
    8,018.16/11,065.29 = 4,481.38/x
  3. Step 3: Cross multiply
    8,018.16x = 11,065.29 × 4,481.38
  4. Step 4: Simplify right side
    8,018.16x = 49,587,741.64
  5. Step 5: Solve for x
    x = 49,587,741.64/8,018.16
  6. Step 6: Final answer
    x = 6,184.43

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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.