Home / 8,583.89-11,836.41-7,454.85

Finding the Fourth Proportional to 8,583.89, 11,836.41 and 7,454.85

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Solution

The fourth proportional to 8,583.89, 11,836.41 and 7,454.85 is: 10,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.89 : 11,836.41 = 7,454.85 : x
  2. Step 2: Convert to fraction form
    8,583.89/11,836.41 = 7,454.85/x
  3. Step 3: Cross multiply
    8,583.89x = 11,836.41 × 7,454.85
  4. Step 4: Simplify right side
    8,583.89x = 88,238,661.09
  5. Step 5: Solve for x
    x = 88,238,661.09/8,583.89
  6. Step 6: Final answer
    x = 10,279.57

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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.