Home / 11,186.07-15,436.47-6,150.80

Finding the Fourth Proportional to 11,186.07, 15,436.47 and 6,150.80

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Solution

The fourth proportional to 11,186.07, 15,436.47 and 6,150.80 is: 8,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.07 : 15,436.47 = 6,150.80 : x
  2. Step 2: Convert to fraction form
    11,186.07/15,436.47 = 6,150.80/x
  3. Step 3: Cross multiply
    11,186.07x = 15,436.47 × 6,150.80
  4. Step 4: Simplify right side
    11,186.07x = 94,946,701.33
  5. Step 5: Solve for x
    x = 94,946,701.33/11,186.07
  6. Step 6: Final answer
    x = 8,487.94

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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.