Home / 9,031.94-13,542.96-2,790.26

Finding the Fourth Proportional to 9,031.94, 13,542.96 and 2,790.26

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Solution

The fourth proportional to 9,031.94, 13,542.96 and 2,790.26 is: 4,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.94 : 13,542.96 = 2,790.26 : x
  2. Step 2: Convert to fraction form
    9,031.94/13,542.96 = 2,790.26/x
  3. Step 3: Cross multiply
    9,031.94x = 13,542.96 × 2,790.26
  4. Step 4: Simplify right side
    9,031.94x = 37,788,379.57
  5. Step 5: Solve for x
    x = 37,788,379.57/9,031.94
  6. Step 6: Final answer
    x = 4,183.86

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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.