Home / 11,862.45-17,794.89-4,070.25

Finding the Fourth Proportional to 11,862.45, 17,794.89 and 4,070.25

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Solution

The fourth proportional to 11,862.45, 17,794.89 and 4,070.25 is: 6,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.45 : 17,794.89 = 4,070.25 : x
  2. Step 2: Convert to fraction form
    11,862.45/17,794.89 = 4,070.25/x
  3. Step 3: Cross multiply
    11,862.45x = 17,794.89 × 4,070.25
  4. Step 4: Simplify right side
    11,862.45x = 72,429,651.02
  5. Step 5: Solve for x
    x = 72,429,651.02/11,862.45
  6. Step 6: Final answer
    x = 6,105.79

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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.