Home / 11,783.04-17,674.10-3,991.85

Finding the Fourth Proportional to 11,783.04, 17,674.10 and 3,991.85

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Solution

The fourth proportional to 11,783.04, 17,674.10 and 3,991.85 is: 5,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.04 : 17,674.10 = 3,991.85 : x
  2. Step 2: Convert to fraction form
    11,783.04/17,674.10 = 3,991.85/x
  3. Step 3: Cross multiply
    11,783.04x = 17,674.10 × 3,991.85
  4. Step 4: Simplify right side
    11,783.04x = 70,552,247.76
  5. Step 5: Solve for x
    x = 70,552,247.76/11,783.04
  6. Step 6: Final answer
    x = 5,987.61

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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.