Home / 10,967.58-16,453.80-5,121

Finding the Fourth Proportional to 10,967.58, 16,453.80 and 5,121

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Solution

The fourth proportional to 10,967.58, 16,453.80 and 5,121 is: 7,682.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.58 : 16,453.80 = 5,121 : x
  2. Step 2: Convert to fraction form
    10,967.58/16,453.80 = 5,121/x
  3. Step 3: Cross multiply
    10,967.58x = 16,453.80 × 5,121
  4. Step 4: Simplify right side
    10,967.58x = 84,259,909.80
  5. Step 5: Solve for x
    x = 84,259,909.80/10,967.58
  6. Step 6: Final answer
    x = 7,682.63

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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.