Home / 8,212.70-11,333.25-4,675.23

Finding the Fourth Proportional to 8,212.70, 11,333.25 and 4,675.23

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Solution

The fourth proportional to 8,212.70, 11,333.25 and 4,675.23 is: 6,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.70 : 11,333.25 = 4,675.23 : x
  2. Step 2: Convert to fraction form
    8,212.70/11,333.25 = 4,675.23/x
  3. Step 3: Cross multiply
    8,212.70x = 11,333.25 × 4,675.23
  4. Step 4: Simplify right side
    8,212.70x = 52,985,550.40
  5. Step 5: Solve for x
    x = 52,985,550.40/8,212.70
  6. Step 6: Final answer
    x = 6,451.66

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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.