Home / 11,661.14-16,094.62-8,085.80

Finding the Fourth Proportional to 11,661.14, 16,094.62 and 8,085.80

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Solution

The fourth proportional to 11,661.14, 16,094.62 and 8,085.80 is: 11,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.14 : 16,094.62 = 8,085.80 : x
  2. Step 2: Convert to fraction form
    11,661.14/16,094.62 = 8,085.80/x
  3. Step 3: Cross multiply
    11,661.14x = 16,094.62 × 8,085.80
  4. Step 4: Simplify right side
    11,661.14x = 130,137,878.40
  5. Step 5: Solve for x
    x = 130,137,878.40/11,661.14
  6. Step 6: Final answer
    x = 11,159.96

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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.