Home / 8,409.96-11,604.87-4,872.51

Finding the Fourth Proportional to 8,409.96, 11,604.87 and 4,872.51

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Solution

The fourth proportional to 8,409.96, 11,604.87 and 4,872.51 is: 6,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.96 : 11,604.87 = 4,872.51 : x
  2. Step 2: Convert to fraction form
    8,409.96/11,604.87 = 4,872.51/x
  3. Step 3: Cross multiply
    8,409.96x = 11,604.87 × 4,872.51
  4. Step 4: Simplify right side
    8,409.96x = 56,544,845.12
  5. Step 5: Solve for x
    x = 56,544,845.12/8,409.96
  6. Step 6: Final answer
    x = 6,723.56

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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.