Home / 9,162.92-13,749.79-3,899.01

Finding the Fourth Proportional to 9,162.92, 13,749.79 and 3,899.01

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Solution

The fourth proportional to 9,162.92, 13,749.79 and 3,899.01 is: 5,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.92 : 13,749.79 = 3,899.01 : x
  2. Step 2: Convert to fraction form
    9,162.92/13,749.79 = 3,899.01/x
  3. Step 3: Cross multiply
    9,162.92x = 13,749.79 × 3,899.01
  4. Step 4: Simplify right side
    9,162.92x = 53,610,598.35
  5. Step 5: Solve for x
    x = 53,610,598.35/9,162.92
  6. Step 6: Final answer
    x = 5,850.82

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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.