Home / 11,222.16-15,485.96-6,186.38

Finding the Fourth Proportional to 11,222.16, 15,485.96 and 6,186.38

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Solution

The fourth proportional to 11,222.16, 15,485.96 and 6,186.38 is: 8,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.16 : 15,485.96 = 6,186.38 : x
  2. Step 2: Convert to fraction form
    11,222.16/15,485.96 = 6,186.38/x
  3. Step 3: Cross multiply
    11,222.16x = 15,485.96 × 6,186.38
  4. Step 4: Simplify right side
    11,222.16x = 95,802,033.22
  5. Step 5: Solve for x
    x = 95,802,033.22/11,222.16
  6. Step 6: Final answer
    x = 8,536.86

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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.