Home / 8,087.26-12,125.52-3,157.36

Finding the Fourth Proportional to 8,087.26, 12,125.52 and 3,157.36

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Solution

The fourth proportional to 8,087.26, 12,125.52 and 3,157.36 is: 4,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.26 : 12,125.52 = 3,157.36 : x
  2. Step 2: Convert to fraction form
    8,087.26/12,125.52 = 3,157.36/x
  3. Step 3: Cross multiply
    8,087.26x = 12,125.52 × 3,157.36
  4. Step 4: Simplify right side
    8,087.26x = 38,284,631.83
  5. Step 5: Solve for x
    x = 38,284,631.83/8,087.26
  6. Step 6: Final answer
    x = 4,733.94

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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.