Home / 10,918.88-16,378.31-2,710.88

Finding the Fourth Proportional to 10,918.88, 16,378.31 and 2,710.88

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Solution

The fourth proportional to 10,918.88, 16,378.31 and 2,710.88 is: 4,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.88 : 16,378.31 = 2,710.88 : x
  2. Step 2: Convert to fraction form
    10,918.88/16,378.31 = 2,710.88/x
  3. Step 3: Cross multiply
    10,918.88x = 16,378.31 × 2,710.88
  4. Step 4: Simplify right side
    10,918.88x = 44,399,557.90
  5. Step 5: Solve for x
    x = 44,399,557.90/10,918.88
  6. Step 6: Final answer
    x = 4,066.31

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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.