Home / 11,185.49-15,436.07-6,149.57

Finding the Fourth Proportional to 11,185.49, 15,436.07 and 6,149.57

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Solution

The fourth proportional to 11,185.49, 15,436.07 and 6,149.57 is: 8,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.49 : 15,436.07 = 6,149.57 : x
  2. Step 2: Convert to fraction form
    11,185.49/15,436.07 = 6,149.57/x
  3. Step 3: Cross multiply
    11,185.49x = 15,436.07 × 6,149.57
  4. Step 4: Simplify right side
    11,185.49x = 94,925,194.95
  5. Step 5: Solve for x
    x = 94,925,194.95/11,185.49
  6. Step 6: Final answer
    x = 8,486.46

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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.