Home / 11,200.86-15,455.26-6,727.08

Finding the Fourth Proportional to 11,200.86, 15,455.26 and 6,727.08

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Solution

The fourth proportional to 11,200.86, 15,455.26 and 6,727.08 is: 9,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.86 : 15,455.26 = 6,727.08 : x
  2. Step 2: Convert to fraction form
    11,200.86/15,455.26 = 6,727.08/x
  3. Step 3: Cross multiply
    11,200.86x = 15,455.26 × 6,727.08
  4. Step 4: Simplify right side
    11,200.86x = 103,968,668.56
  5. Step 5: Solve for x
    x = 103,968,668.56/11,200.86
  6. Step 6: Final answer
    x = 9,282.21

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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.