Home / 8,018.20-11,065.56-4,481.32

Finding the Fourth Proportional to 8,018.20, 11,065.56 and 4,481.32

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Solution

The fourth proportional to 8,018.20, 11,065.56 and 4,481.32 is: 6,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.20 : 11,065.56 = 4,481.32 : x
  2. Step 2: Convert to fraction form
    8,018.20/11,065.56 = 4,481.32/x
  3. Step 3: Cross multiply
    8,018.20x = 11,065.56 × 4,481.32
  4. Step 4: Simplify right side
    8,018.20x = 49,588,315.34
  5. Step 5: Solve for x
    x = 49,588,315.34/8,018.20
  6. Step 6: Final answer
    x = 6,184.47

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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.