Home / 8,386.68-12,577.14-3,194.04

Finding the Fourth Proportional to 8,386.68, 12,577.14 and 3,194.04

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Solution

The fourth proportional to 8,386.68, 12,577.14 and 3,194.04 is: 4,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.68 : 12,577.14 = 3,194.04 : x
  2. Step 2: Convert to fraction form
    8,386.68/12,577.14 = 3,194.04/x
  3. Step 3: Cross multiply
    8,386.68x = 12,577.14 × 3,194.04
  4. Step 4: Simplify right side
    8,386.68x = 40,171,888.25
  5. Step 5: Solve for x
    x = 40,171,888.25/8,386.68
  6. Step 6: Final answer
    x = 4,789.96

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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.