Home / 6,331.15-8,733.33-3,811.51

Finding the Fourth Proportional to 6,331.15, 8,733.33 and 3,811.51

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Solution

The fourth proportional to 6,331.15, 8,733.33 and 3,811.51 is: 5,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.15 : 8,733.33 = 3,811.51 : x
  2. Step 2: Convert to fraction form
    6,331.15/8,733.33 = 3,811.51/x
  3. Step 3: Cross multiply
    6,331.15x = 8,733.33 × 3,811.51
  4. Step 4: Simplify right side
    6,331.15x = 33,287,111.90
  5. Step 5: Solve for x
    x = 33,287,111.90/6,331.15
  6. Step 6: Final answer
    x = 5,257.68

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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.