Home / 8,349.46-11,520.21-4,993.36

Finding the Fourth Proportional to 8,349.46, 11,520.21 and 4,993.36

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Solution

The fourth proportional to 8,349.46, 11,520.21 and 4,993.36 is: 6,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.46 : 11,520.21 = 4,993.36 : x
  2. Step 2: Convert to fraction form
    8,349.46/11,520.21 = 4,993.36/x
  3. Step 3: Cross multiply
    8,349.46x = 11,520.21 × 4,993.36
  4. Step 4: Simplify right side
    8,349.46x = 57,524,555.81
  5. Step 5: Solve for x
    x = 57,524,555.81/8,349.46
  6. Step 6: Final answer
    x = 6,889.61

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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.