Home / 8,212.57-11,333.34-4,486.57

Finding the Fourth Proportional to 8,212.57, 11,333.34 and 4,486.57

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Solution

The fourth proportional to 8,212.57, 11,333.34 and 4,486.57 is: 6,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.57 : 11,333.34 = 4,486.57 : x
  2. Step 2: Convert to fraction form
    8,212.57/11,333.34 = 4,486.57/x
  3. Step 3: Cross multiply
    8,212.57x = 11,333.34 × 4,486.57
  4. Step 4: Simplify right side
    8,212.57x = 50,847,823.24
  5. Step 5: Solve for x
    x = 50,847,823.24/8,212.57
  6. Step 6: Final answer
    x = 6,191.46

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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.