Home / 8,451.14-11,664.41-4,914.81

Finding the Fourth Proportional to 8,451.14, 11,664.41 and 4,914.81

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Solution

The fourth proportional to 8,451.14, 11,664.41 and 4,914.81 is: 6,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.14 : 11,664.41 = 4,914.81 : x
  2. Step 2: Convert to fraction form
    8,451.14/11,664.41 = 4,914.81/x
  3. Step 3: Cross multiply
    8,451.14x = 11,664.41 × 4,914.81
  4. Step 4: Simplify right side
    8,451.14x = 57,328,334.34
  5. Step 5: Solve for x
    x = 57,328,334.34/8,451.14
  6. Step 6: Final answer
    x = 6,783.51

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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.