Home / 12,711.71-19,067.46-3,827.00

Finding the Fourth Proportional to 12,711.71, 19,067.46 and 3,827.00

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Solution

The fourth proportional to 12,711.71, 19,067.46 and 3,827.00 is: 5,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.71 : 19,067.46 = 3,827.00 : x
  2. Step 2: Convert to fraction form
    12,711.71/19,067.46 = 3,827.00/x
  3. Step 3: Cross multiply
    12,711.71x = 19,067.46 × 3,827.00
  4. Step 4: Simplify right side
    12,711.71x = 72,971,074.08
  5. Step 5: Solve for x
    x = 72,971,074.08/12,711.71
  6. Step 6: Final answer
    x = 5,740.46

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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.