Home / 8,243.12-11,375.52-4,706.28

Finding the Fourth Proportional to 8,243.12, 11,375.52 and 4,706.28

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Solution

The fourth proportional to 8,243.12, 11,375.52 and 4,706.28 is: 6,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.12 : 11,375.52 = 4,706.28 : x
  2. Step 2: Convert to fraction form
    8,243.12/11,375.52 = 4,706.28/x
  3. Step 3: Cross multiply
    8,243.12x = 11,375.52 × 4,706.28
  4. Step 4: Simplify right side
    8,243.12x = 53,536,382.27
  5. Step 5: Solve for x
    x = 53,536,382.27/8,243.12
  6. Step 6: Final answer
    x = 6,494.67

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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.