Home / 11,784.20-17,676.30-9,854.60

Finding the Fourth Proportional to 11,784.20, 17,676.30 and 9,854.60

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Solution

The fourth proportional to 11,784.20, 17,676.30 and 9,854.60 is: 14,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.20 : 17,676.30 = 9,854.60 : x
  2. Step 2: Convert to fraction form
    11,784.20/17,676.30 = 9,854.60/x
  3. Step 3: Cross multiply
    11,784.20x = 17,676.30 × 9,854.60
  4. Step 4: Simplify right side
    11,784.20x = 174,192,865.98
  5. Step 5: Solve for x
    x = 174,192,865.98/11,784.20
  6. Step 6: Final answer
    x = 14,781.90

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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.