Home / 8,125.07-12,188.52-3,194.06

Finding the Fourth Proportional to 8,125.07, 12,188.52 and 3,194.06

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Solution

The fourth proportional to 8,125.07, 12,188.52 and 3,194.06 is: 4,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.07 : 12,188.52 = 3,194.06 : x
  2. Step 2: Convert to fraction form
    8,125.07/12,188.52 = 3,194.06/x
  3. Step 3: Cross multiply
    8,125.07x = 12,188.52 × 3,194.06
  4. Step 4: Simplify right side
    8,125.07x = 38,930,864.19
  5. Step 5: Solve for x
    x = 38,930,864.19/8,125.07
  6. Step 6: Final answer
    x = 4,791.45

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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.