Home / 11,175.19-16,760.91-3,779.47

Finding the Fourth Proportional to 11,175.19, 16,760.91 and 3,779.47

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Solution

The fourth proportional to 11,175.19, 16,760.91 and 3,779.47 is: 5,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.19 : 16,760.91 = 3,779.47 : x
  2. Step 2: Convert to fraction form
    11,175.19/16,760.91 = 3,779.47/x
  3. Step 3: Cross multiply
    11,175.19x = 16,760.91 × 3,779.47
  4. Step 4: Simplify right side
    11,175.19x = 63,347,356.52
  5. Step 5: Solve for x
    x = 63,347,356.52/11,175.19
  6. Step 6: Final answer
    x = 5,668.57

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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.