Home / 8,108.44-11,189.32-4,572.36

Finding the Fourth Proportional to 8,108.44, 11,189.32 and 4,572.36

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Solution

The fourth proportional to 8,108.44, 11,189.32 and 4,572.36 is: 6,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.44 : 11,189.32 = 4,572.36 : x
  2. Step 2: Convert to fraction form
    8,108.44/11,189.32 = 4,572.36/x
  3. Step 3: Cross multiply
    8,108.44x = 11,189.32 × 4,572.36
  4. Step 4: Simplify right side
    8,108.44x = 51,161,599.20
  5. Step 5: Solve for x
    x = 51,161,599.20/8,108.44
  6. Step 6: Final answer
    x = 6,309.67

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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.