Home / 11,416.74-17,127.68-3,818.63

Finding the Fourth Proportional to 11,416.74, 17,127.68 and 3,818.63

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Solution

The fourth proportional to 11,416.74, 17,127.68 and 3,818.63 is: 5,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.74 : 17,127.68 = 3,818.63 : x
  2. Step 2: Convert to fraction form
    11,416.74/17,127.68 = 3,818.63/x
  3. Step 3: Cross multiply
    11,416.74x = 17,127.68 × 3,818.63
  4. Step 4: Simplify right side
    11,416.74x = 65,404,167.95
  5. Step 5: Solve for x
    x = 65,404,167.95/11,416.74
  6. Step 6: Final answer
    x = 5,728.80

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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.