Home / 11,943.20-17,914.49-5,707.62

Finding the Fourth Proportional to 11,943.20, 17,914.49 and 5,707.62

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Solution

The fourth proportional to 11,943.20, 17,914.49 and 5,707.62 is: 8,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.20 : 17,914.49 = 5,707.62 : x
  2. Step 2: Convert to fraction form
    11,943.20/17,914.49 = 5,707.62/x
  3. Step 3: Cross multiply
    11,943.20x = 17,914.49 × 5,707.62
  4. Step 4: Simplify right side
    11,943.20x = 102,249,072.88
  5. Step 5: Solve for x
    x = 102,249,072.88/11,943.20
  6. Step 6: Final answer
    x = 8,561.28

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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.