Home / 11,959.73-17,927.88-4,457.80

Finding the Fourth Proportional to 11,959.73, 17,927.88 and 4,457.80

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Solution

The fourth proportional to 11,959.73, 17,927.88 and 4,457.80 is: 6,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.73 : 17,927.88 = 4,457.80 : x
  2. Step 2: Convert to fraction form
    11,959.73/17,927.88 = 4,457.80/x
  3. Step 3: Cross multiply
    11,959.73x = 17,927.88 × 4,457.80
  4. Step 4: Simplify right side
    11,959.73x = 79,918,909.16
  5. Step 5: Solve for x
    x = 79,918,909.16/11,959.73
  6. Step 6: Final answer
    x = 6,682.33

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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.