Home / 15,974.37-23,961.57-7,211.79

Finding the Fourth Proportional to 15,974.37, 23,961.57 and 7,211.79

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Solution

The fourth proportional to 15,974.37, 23,961.57 and 7,211.79 is: 10,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.37 : 23,961.57 = 7,211.79 : x
  2. Step 2: Convert to fraction form
    15,974.37/23,961.57 = 7,211.79/x
  3. Step 3: Cross multiply
    15,974.37x = 23,961.57 × 7,211.79
  4. Step 4: Simplify right side
    15,974.37x = 172,805,810.91
  5. Step 5: Solve for x
    x = 172,805,810.91/15,974.37
  6. Step 6: Final answer
    x = 10,817.69

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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.