Home / 11,222.10-15,486.22-6,186.21

Finding the Fourth Proportional to 11,222.10, 15,486.22 and 6,186.21

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Solution

The fourth proportional to 11,222.10, 15,486.22 and 6,186.21 is: 8,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.10 : 15,486.22 = 6,186.21 : x
  2. Step 2: Convert to fraction form
    11,222.10/15,486.22 = 6,186.21/x
  3. Step 3: Cross multiply
    11,222.10x = 15,486.22 × 6,186.21
  4. Step 4: Simplify right side
    11,222.10x = 95,801,009.03
  5. Step 5: Solve for x
    x = 95,801,009.03/11,222.10
  6. Step 6: Final answer
    x = 8,536.82

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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.