Home / 10,905.14-16,345.44-4,662.02

Finding the Fourth Proportional to 10,905.14, 16,345.44 and 4,662.02

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Solution

The fourth proportional to 10,905.14, 16,345.44 and 4,662.02 is: 6,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.14 : 16,345.44 = 4,662.02 : x
  2. Step 2: Convert to fraction form
    10,905.14/16,345.44 = 4,662.02/x
  3. Step 3: Cross multiply
    10,905.14x = 16,345.44 × 4,662.02
  4. Step 4: Simplify right side
    10,905.14x = 76,202,768.19
  5. Step 5: Solve for x
    x = 76,202,768.19/10,905.14
  6. Step 6: Final answer
    x = 6,987.78

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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.