Home / 11,326.74-16,989.50-3,534.66

Finding the Fourth Proportional to 11,326.74, 16,989.50 and 3,534.66

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Solution

The fourth proportional to 11,326.74, 16,989.50 and 3,534.66 is: 5,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.74 : 16,989.50 = 3,534.66 : x
  2. Step 2: Convert to fraction form
    11,326.74/16,989.50 = 3,534.66/x
  3. Step 3: Cross multiply
    11,326.74x = 16,989.50 × 3,534.66
  4. Step 4: Simplify right side
    11,326.74x = 60,052,106.07
  5. Step 5: Solve for x
    x = 60,052,106.07/11,326.74
  6. Step 6: Final answer
    x = 5,301.80

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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.