Home / 11,895.48-17,843.79-9,811.62

Finding the Fourth Proportional to 11,895.48, 17,843.79 and 9,811.62

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Solution

The fourth proportional to 11,895.48, 17,843.79 and 9,811.62 is: 14,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.48 : 17,843.79 = 9,811.62 : x
  2. Step 2: Convert to fraction form
    11,895.48/17,843.79 = 9,811.62/x
  3. Step 3: Cross multiply
    11,895.48x = 17,843.79 × 9,811.62
  4. Step 4: Simplify right side
    11,895.48x = 175,076,486.84
  5. Step 5: Solve for x
    x = 175,076,486.84/11,895.48
  6. Step 6: Final answer
    x = 14,717.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.