Home / 11,928.06-17,887.23-5,358.56

Finding the Fourth Proportional to 11,928.06, 17,887.23 and 5,358.56

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Solution

The fourth proportional to 11,928.06, 17,887.23 and 5,358.56 is: 8,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.06 : 17,887.23 = 5,358.56 : x
  2. Step 2: Convert to fraction form
    11,928.06/17,887.23 = 5,358.56/x
  3. Step 3: Cross multiply
    11,928.06x = 17,887.23 × 5,358.56
  4. Step 4: Simplify right side
    11,928.06x = 95,849,705.75
  5. Step 5: Solve for x
    x = 95,849,705.75/11,928.06
  6. Step 6: Final answer
    x = 8,035.65

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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.