Home / 11,764.48-17,630.40-6,827.20

Finding the Fourth Proportional to 11,764.48, 17,630.40 and 6,827.20

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Solution

The fourth proportional to 11,764.48, 17,630.40 and 6,827.20 is: 10,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.48 : 17,630.40 = 6,827.20 : x
  2. Step 2: Convert to fraction form
    11,764.48/17,630.40 = 6,827.20/x
  3. Step 3: Cross multiply
    11,764.48x = 17,630.40 × 6,827.20
  4. Step 4: Simplify right side
    11,764.48x = 120,366,266.88
  5. Step 5: Solve for x
    x = 120,366,266.88/11,764.48
  6. Step 6: Final answer
    x = 10,231.33

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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.