Home / 8,129.04-12,196.48-3,195.94

Finding the Fourth Proportional to 8,129.04, 12,196.48 and 3,195.94

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Solution

The fourth proportional to 8,129.04, 12,196.48 and 3,195.94 is: 4,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.04 : 12,196.48 = 3,195.94 : x
  2. Step 2: Convert to fraction form
    8,129.04/12,196.48 = 3,195.94/x
  3. Step 3: Cross multiply
    8,129.04x = 12,196.48 × 3,195.94
  4. Step 4: Simplify right side
    8,129.04x = 38,979,218.29
  5. Step 5: Solve for x
    x = 38,979,218.29/8,129.04
  6. Step 6: Final answer
    x = 4,795.06

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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.