Home / 8,776.92-12,112.94-4,999.26

Finding the Fourth Proportional to 8,776.92, 12,112.94 and 4,999.26

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Solution

The fourth proportional to 8,776.92, 12,112.94 and 4,999.26 is: 6,899.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.92 : 12,112.94 = 4,999.26 : x
  2. Step 2: Convert to fraction form
    8,776.92/12,112.94 = 4,999.26/x
  3. Step 3: Cross multiply
    8,776.92x = 12,112.94 × 4,999.26
  4. Step 4: Simplify right side
    8,776.92x = 60,555,736.42
  5. Step 5: Solve for x
    x = 60,555,736.42/8,776.92
  6. Step 6: Final answer
    x = 6,899.43

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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.