Home / 8,104.55-12,156.82-6,258.36

Finding the Fourth Proportional to 8,104.55, 12,156.82 and 6,258.36

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Solution

The fourth proportional to 8,104.55, 12,156.82 and 6,258.36 is: 9,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.55 : 12,156.82 = 6,258.36 : x
  2. Step 2: Convert to fraction form
    8,104.55/12,156.82 = 6,258.36/x
  3. Step 3: Cross multiply
    8,104.55x = 12,156.82 × 6,258.36
  4. Step 4: Simplify right side
    8,104.55x = 76,081,756.02
  5. Step 5: Solve for x
    x = 76,081,756.02/8,104.55
  6. Step 6: Final answer
    x = 9,387.54

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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.