Home / 11,653.80-17,470.20-4,253.07

Finding the Fourth Proportional to 11,653.80, 17,470.20 and 4,253.07

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Solution

The fourth proportional to 11,653.80, 17,470.20 and 4,253.07 is: 6,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.80 : 17,470.20 = 4,253.07 : x
  2. Step 2: Convert to fraction form
    11,653.80/17,470.20 = 4,253.07/x
  3. Step 3: Cross multiply
    11,653.80x = 17,470.20 × 4,253.07
  4. Step 4: Simplify right side
    11,653.80x = 74,301,933.95
  5. Step 5: Solve for x
    x = 74,301,933.95/11,653.80
  6. Step 6: Final answer
    x = 6,375.77

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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.