Home / 11,790.68-17,686.08-3,025.64

Finding the Fourth Proportional to 11,790.68, 17,686.08 and 3,025.64

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Solution

The fourth proportional to 11,790.68, 17,686.08 and 3,025.64 is: 4,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.68 : 17,686.08 = 3,025.64 : x
  2. Step 2: Convert to fraction form
    11,790.68/17,686.08 = 3,025.64/x
  3. Step 3: Cross multiply
    11,790.68x = 17,686.08 × 3,025.64
  4. Step 4: Simplify right side
    11,790.68x = 53,511,711.09
  5. Step 5: Solve for x
    x = 53,511,711.09/11,790.68
  6. Step 6: Final answer
    x = 4,538.48

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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.