Home / 11,103.22-16,646.59-6,719.64

Finding the Fourth Proportional to 11,103.22, 16,646.59 and 6,719.64

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Solution

The fourth proportional to 11,103.22, 16,646.59 and 6,719.64 is: 10,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.22 : 16,646.59 = 6,719.64 : x
  2. Step 2: Convert to fraction form
    11,103.22/16,646.59 = 6,719.64/x
  3. Step 3: Cross multiply
    11,103.22x = 16,646.59 × 6,719.64
  4. Step 4: Simplify right side
    11,103.22x = 111,859,092.03
  5. Step 5: Solve for x
    x = 111,859,092.03/11,103.22
  6. Step 6: Final answer
    x = 10,074.47

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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.