Home / 7,779.27-11,668.92-5,163.51

Finding the Fourth Proportional to 7,779.27, 11,668.92 and 5,163.51

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Solution

The fourth proportional to 7,779.27, 11,668.92 and 5,163.51 is: 7,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.27 : 11,668.92 = 5,163.51 : x
  2. Step 2: Convert to fraction form
    7,779.27/11,668.92 = 5,163.51/x
  3. Step 3: Cross multiply
    7,779.27x = 11,668.92 × 5,163.51
  4. Step 4: Simplify right side
    7,779.27x = 60,252,585.11
  5. Step 5: Solve for x
    x = 60,252,585.11/7,779.27
  6. Step 6: Final answer
    x = 7,745.27

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Half scale
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Double scale
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Similar ratio
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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.