Home / 11,790.72-17,686.80-3,025.92

Finding the Fourth Proportional to 11,790.72, 17,686.80 and 3,025.92

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Solution

The fourth proportional to 11,790.72, 17,686.80 and 3,025.92 is: 4,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.72 : 17,686.80 = 3,025.92 : x
  2. Step 2: Convert to fraction form
    11,790.72/17,686.80 = 3,025.92/x
  3. Step 3: Cross multiply
    11,790.72x = 17,686.80 × 3,025.92
  4. Step 4: Simplify right side
    11,790.72x = 53,518,841.86
  5. Step 5: Solve for x
    x = 53,518,841.86/11,790.72
  6. Step 6: Final answer
    x = 4,539.06

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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.