Home / 11,827.99-17,745-4,432.48

Finding the Fourth Proportional to 11,827.99, 17,745 and 4,432.48

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Solution

The fourth proportional to 11,827.99, 17,745 and 4,432.48 is: 6,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.99 : 17,745 = 4,432.48 : x
  2. Step 2: Convert to fraction form
    11,827.99/17,745 = 4,432.48/x
  3. Step 3: Cross multiply
    11,827.99x = 17,745 × 4,432.48
  4. Step 4: Simplify right side
    11,827.99x = 78,654,357.60
  5. Step 5: Solve for x
    x = 78,654,357.60/11,827.99
  6. Step 6: Final answer
    x = 6,649.85

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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.