Home / 9,115.75-13,676.06-4,498.75

Finding the Fourth Proportional to 9,115.75, 13,676.06 and 4,498.75

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Solution

The fourth proportional to 9,115.75, 13,676.06 and 4,498.75 is: 6,749.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.75 : 13,676.06 = 4,498.75 : x
  2. Step 2: Convert to fraction form
    9,115.75/13,676.06 = 4,498.75/x
  3. Step 3: Cross multiply
    9,115.75x = 13,676.06 × 4,498.75
  4. Step 4: Simplify right side
    9,115.75x = 61,525,174.93
  5. Step 5: Solve for x
    x = 61,525,174.93/9,115.75
  6. Step 6: Final answer
    x = 6,749.33

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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.