Home / 8,050.71-12,078.80-7,274.33

Finding the Fourth Proportional to 8,050.71, 12,078.80 and 7,274.33

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Solution

The fourth proportional to 8,050.71, 12,078.80 and 7,274.33 is: 10,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,050.71 : 12,078.80 = 7,274.33 : x
  2. Step 2: Convert to fraction form
    8,050.71/12,078.80 = 7,274.33/x
  3. Step 3: Cross multiply
    8,050.71x = 12,078.80 × 7,274.33
  4. Step 4: Simplify right side
    8,050.71x = 87,865,177.20
  5. Step 5: Solve for x
    x = 87,865,177.20/8,050.71
  6. Step 6: Final answer
    x = 10,913.97

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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.