Home / 11,141.93-15,375.40-6,663.04

Finding the Fourth Proportional to 11,141.93, 15,375.40 and 6,663.04

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Solution

The fourth proportional to 11,141.93, 15,375.40 and 6,663.04 is: 9,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.93 : 15,375.40 = 6,663.04 : x
  2. Step 2: Convert to fraction form
    11,141.93/15,375.40 = 6,663.04/x
  3. Step 3: Cross multiply
    11,141.93x = 15,375.40 × 6,663.04
  4. Step 4: Simplify right side
    11,141.93x = 102,446,850.12
  5. Step 5: Solve for x
    x = 102,446,850.12/11,141.93
  6. Step 6: Final answer
    x = 9,194.71

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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.