Home / 8,395.26-11,583.59-5,211.15

Finding the Fourth Proportional to 8,395.26, 11,583.59 and 5,211.15

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Solution

The fourth proportional to 8,395.26, 11,583.59 and 5,211.15 is: 7,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.26 : 11,583.59 = 5,211.15 : x
  2. Step 2: Convert to fraction form
    8,395.26/11,583.59 = 5,211.15/x
  3. Step 3: Cross multiply
    8,395.26x = 11,583.59 × 5,211.15
  4. Step 4: Simplify right side
    8,395.26x = 60,363,798.97
  5. Step 5: Solve for x
    x = 60,363,798.97/8,395.26
  6. Step 6: Final answer
    x = 7,190.22

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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.