Home / 11,231.89-15,499.77-6,196.57

Finding the Fourth Proportional to 11,231.89, 15,499.77 and 6,196.57

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Solution

The fourth proportional to 11,231.89, 15,499.77 and 6,196.57 is: 8,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.89 : 15,499.77 = 6,196.57 : x
  2. Step 2: Convert to fraction form
    11,231.89/15,499.77 = 6,196.57/x
  3. Step 3: Cross multiply
    11,231.89x = 15,499.77 × 6,196.57
  4. Step 4: Simplify right side
    11,231.89x = 96,045,409.79
  5. Step 5: Solve for x
    x = 96,045,409.79/11,231.89
  6. Step 6: Final answer
    x = 8,551.14

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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.