Home / 10,968.86-15,136.99-5,933.09

Finding the Fourth Proportional to 10,968.86, 15,136.99 and 5,933.09

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Solution

The fourth proportional to 10,968.86, 15,136.99 and 5,933.09 is: 8,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.86 : 15,136.99 = 5,933.09 : x
  2. Step 2: Convert to fraction form
    10,968.86/15,136.99 = 5,933.09/x
  3. Step 3: Cross multiply
    10,968.86x = 15,136.99 × 5,933.09
  4. Step 4: Simplify right side
    10,968.86x = 89,809,124.00
  5. Step 5: Solve for x
    x = 89,809,124.00/10,968.86
  6. Step 6: Final answer
    x = 8,187.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.