Home / 10,091.37-13,926.14-6,109.65

Finding the Fourth Proportional to 10,091.37, 13,926.14 and 6,109.65

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Solution

The fourth proportional to 10,091.37, 13,926.14 and 6,109.65 is: 8,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.37 : 13,926.14 = 6,109.65 : x
  2. Step 2: Convert to fraction form
    10,091.37/13,926.14 = 6,109.65/x
  3. Step 3: Cross multiply
    10,091.37x = 13,926.14 × 6,109.65
  4. Step 4: Simplify right side
    10,091.37x = 85,083,810.70
  5. Step 5: Solve for x
    x = 85,083,810.70/10,091.37
  6. Step 6: Final answer
    x = 8,431.34

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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.