Home / 8,712.20-12,022.83-4,733.29

Finding the Fourth Proportional to 8,712.20, 12,022.83 and 4,733.29

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Solution

The fourth proportional to 8,712.20, 12,022.83 and 4,733.29 is: 6,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.20 : 12,022.83 = 4,733.29 : x
  2. Step 2: Convert to fraction form
    8,712.20/12,022.83 = 4,733.29/x
  3. Step 3: Cross multiply
    8,712.20x = 12,022.83 × 4,733.29
  4. Step 4: Simplify right side
    8,712.20x = 56,907,556.04
  5. Step 5: Solve for x
    x = 56,907,556.04/8,712.20
  6. Step 6: Final answer
    x = 6,531.94

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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.