Home / 11,783.20-17,674.80-6,234.40

Finding the Fourth Proportional to 11,783.20, 17,674.80 and 6,234.40

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Solution

The fourth proportional to 11,783.20, 17,674.80 and 6,234.40 is: 9,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.20 : 17,674.80 = 6,234.40 : x
  2. Step 2: Convert to fraction form
    11,783.20/17,674.80 = 6,234.40/x
  3. Step 3: Cross multiply
    11,783.20x = 17,674.80 × 6,234.40
  4. Step 4: Simplify right side
    11,783.20x = 110,191,773.12
  5. Step 5: Solve for x
    x = 110,191,773.12/11,783.20
  6. Step 6: Final answer
    x = 9,351.60

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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.