Home / 12,884.50-19,327.97-4,117.33

Finding the Fourth Proportional to 12,884.50, 19,327.97 and 4,117.33

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Solution

The fourth proportional to 12,884.50, 19,327.97 and 4,117.33 is: 6,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.50 : 19,327.97 = 4,117.33 : x
  2. Step 2: Convert to fraction form
    12,884.50/19,327.97 = 4,117.33/x
  3. Step 3: Cross multiply
    12,884.50x = 19,327.97 × 4,117.33
  4. Step 4: Simplify right side
    12,884.50x = 79,579,561.81
  5. Step 5: Solve for x
    x = 79,579,561.81/12,884.50
  6. Step 6: Final answer
    x = 6,176.38

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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.