Home / 10,905.48-16,361.88-4,662.84

Finding the Fourth Proportional to 10,905.48, 16,361.88 and 4,662.84

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Solution

The fourth proportional to 10,905.48, 16,361.88 and 4,662.84 is: 6,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.48 : 16,361.88 = 4,662.84 : x
  2. Step 2: Convert to fraction form
    10,905.48/16,361.88 = 4,662.84/x
  3. Step 3: Cross multiply
    10,905.48x = 16,361.88 × 4,662.84
  4. Step 4: Simplify right side
    10,905.48x = 76,292,828.54
  5. Step 5: Solve for x
    x = 76,292,828.54/10,905.48
  6. Step 6: Final answer
    x = 6,995.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.