Home / 11,086.74-16,628.22-3,690.36

Finding the Fourth Proportional to 11,086.74, 16,628.22 and 3,690.36

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Solution

The fourth proportional to 11,086.74, 16,628.22 and 3,690.36 is: 5,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.74 : 16,628.22 = 3,690.36 : x
  2. Step 2: Convert to fraction form
    11,086.74/16,628.22 = 3,690.36/x
  3. Step 3: Cross multiply
    11,086.74x = 16,628.22 × 3,690.36
  4. Step 4: Simplify right side
    11,086.74x = 61,364,117.96
  5. Step 5: Solve for x
    x = 61,364,117.96/11,086.74
  6. Step 6: Final answer
    x = 5,534.91

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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.