Home / 7,676.24-11,513.88-2,745.63

Finding the Fourth Proportional to 7,676.24, 11,513.88 and 2,745.63

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Solution

The fourth proportional to 7,676.24, 11,513.88 and 2,745.63 is: 4,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.24 : 11,513.88 = 2,745.63 : x
  2. Step 2: Convert to fraction form
    7,676.24/11,513.88 = 2,745.63/x
  3. Step 3: Cross multiply
    7,676.24x = 11,513.88 × 2,745.63
  4. Step 4: Simplify right side
    7,676.24x = 31,612,854.34
  5. Step 5: Solve for x
    x = 31,612,854.34/7,676.24
  6. Step 6: Final answer
    x = 4,118.28

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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.