Home / 11,977.96-17,955.15-4,476.01

Finding the Fourth Proportional to 11,977.96, 17,955.15 and 4,476.01

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Solution

The fourth proportional to 11,977.96, 17,955.15 and 4,476.01 is: 6,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.96 : 17,955.15 = 4,476.01 : x
  2. Step 2: Convert to fraction form
    11,977.96/17,955.15 = 4,476.01/x
  3. Step 3: Cross multiply
    11,977.96x = 17,955.15 × 4,476.01
  4. Step 4: Simplify right side
    11,977.96x = 80,367,430.95
  5. Step 5: Solve for x
    x = 80,367,430.95/11,977.96
  6. Step 6: Final answer
    x = 6,709.61

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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.