Home / 31,003.26-46,501.46-8,515.67

Finding the Fourth Proportional to 31,003.26, 46,501.46 and 8,515.67

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Solution

The fourth proportional to 31,003.26, 46,501.46 and 8,515.67 is: 12,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,003.26 : 46,501.46 = 8,515.67 : x
  2. Step 2: Convert to fraction form
    31,003.26/46,501.46 = 8,515.67/x
  3. Step 3: Cross multiply
    31,003.26x = 46,501.46 × 8,515.67
  4. Step 4: Simplify right side
    31,003.26x = 395,990,844.73
  5. Step 5: Solve for x
    x = 395,990,844.73/31,003.26
  6. Step 6: Final answer
    x = 12,772.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.