Home / 8,375.41-11,555.70-5,392.97

Finding the Fourth Proportional to 8,375.41, 11,555.70 and 5,392.97

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Solution

The fourth proportional to 8,375.41, 11,555.70 and 5,392.97 is: 7,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.41 : 11,555.70 = 5,392.97 : x
  2. Step 2: Convert to fraction form
    8,375.41/11,555.70 = 5,392.97/x
  3. Step 3: Cross multiply
    8,375.41x = 11,555.70 × 5,392.97
  4. Step 4: Simplify right side
    8,375.41x = 62,319,485.65
  5. Step 5: Solve for x
    x = 62,319,485.65/8,375.41
  6. Step 6: Final answer
    x = 7,440.77

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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.