Home / 12,194.10-16,829.62-7,161.08

Finding the Fourth Proportional to 12,194.10, 16,829.62 and 7,161.08

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Solution

The fourth proportional to 12,194.10, 16,829.62 and 7,161.08 is: 9,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.10 : 16,829.62 = 7,161.08 : x
  2. Step 2: Convert to fraction form
    12,194.10/16,829.62 = 7,161.08/x
  3. Step 3: Cross multiply
    12,194.10x = 16,829.62 × 7,161.08
  4. Step 4: Simplify right side
    12,194.10x = 120,518,255.19
  5. Step 5: Solve for x
    x = 120,518,255.19/12,194.10
  6. Step 6: Final answer
    x = 9,883.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.