Home / 8,240.90-11,372.63-4,883.67

Finding the Fourth Proportional to 8,240.90, 11,372.63 and 4,883.67

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Solution

The fourth proportional to 8,240.90, 11,372.63 and 4,883.67 is: 6,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.90 : 11,372.63 = 4,883.67 : x
  2. Step 2: Convert to fraction form
    8,240.90/11,372.63 = 4,883.67/x
  3. Step 3: Cross multiply
    8,240.90x = 11,372.63 × 4,883.67
  4. Step 4: Simplify right side
    8,240.90x = 55,540,147.53
  5. Step 5: Solve for x
    x = 55,540,147.53/8,240.90
  6. Step 6: Final answer
    x = 6,739.58

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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.