Home / 9,951.23-13,731.56-5,474.57

Finding the Fourth Proportional to 9,951.23, 13,731.56 and 5,474.57

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Solution

The fourth proportional to 9,951.23, 13,731.56 and 5,474.57 is: 7,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.23 : 13,731.56 = 5,474.57 : x
  2. Step 2: Convert to fraction form
    9,951.23/13,731.56 = 5,474.57/x
  3. Step 3: Cross multiply
    9,951.23x = 13,731.56 × 5,474.57
  4. Step 4: Simplify right side
    9,951.23x = 75,174,310.93
  5. Step 5: Solve for x
    x = 75,174,310.93/9,951.23
  6. Step 6: Final answer
    x = 7,554.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.