Home / 8,112.45-11,197.58-4,755.99

Finding the Fourth Proportional to 8,112.45, 11,197.58 and 4,755.99

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Solution

The fourth proportional to 8,112.45, 11,197.58 and 4,755.99 is: 6,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.45 : 11,197.58 = 4,755.99 : x
  2. Step 2: Convert to fraction form
    8,112.45/11,197.58 = 4,755.99/x
  3. Step 3: Cross multiply
    8,112.45x = 11,197.58 × 4,755.99
  4. Step 4: Simplify right side
    8,112.45x = 53,255,554.72
  5. Step 5: Solve for x
    x = 53,255,554.72/8,112.45
  6. Step 6: Final answer
    x = 6,564.67

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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.