Home / 8,270.07-12,390.66-6,892.26

Finding the Fourth Proportional to 8,270.07, 12,390.66 and 6,892.26

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Solution

The fourth proportional to 8,270.07, 12,390.66 and 6,892.26 is: 10,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.07 : 12,390.66 = 6,892.26 : x
  2. Step 2: Convert to fraction form
    8,270.07/12,390.66 = 6,892.26/x
  3. Step 3: Cross multiply
    8,270.07x = 12,390.66 × 6,892.26
  4. Step 4: Simplify right side
    8,270.07x = 85,399,650.29
  5. Step 5: Solve for x
    x = 85,399,650.29/8,270.07
  6. Step 6: Final answer
    x = 10,326.35

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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.