Home / 11,431.70-17,176.35-7,273.70

Finding the Fourth Proportional to 11,431.70, 17,176.35 and 7,273.70

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Solution

The fourth proportional to 11,431.70, 17,176.35 and 7,273.70 is: 10,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.70 : 17,176.35 = 7,273.70 : x
  2. Step 2: Convert to fraction form
    11,431.70/17,176.35 = 7,273.70/x
  3. Step 3: Cross multiply
    11,431.70x = 17,176.35 × 7,273.70
  4. Step 4: Simplify right side
    11,431.70x = 124,935,617.00
  5. Step 5: Solve for x
    x = 124,935,617.00/11,431.70
  6. Step 6: Final answer
    x = 10,928.87

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1.5x scale

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.