Home / 12,709.14-19,062.44-4,388.02

Finding the Fourth Proportional to 12,709.14, 19,062.44 and 4,388.02

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Solution

The fourth proportional to 12,709.14, 19,062.44 and 4,388.02 is: 6,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.14 : 19,062.44 = 4,388.02 : x
  2. Step 2: Convert to fraction form
    12,709.14/19,062.44 = 4,388.02/x
  3. Step 3: Cross multiply
    12,709.14x = 19,062.44 × 4,388.02
  4. Step 4: Simplify right side
    12,709.14x = 83,646,367.97
  5. Step 5: Solve for x
    x = 83,646,367.97/12,709.14
  6. Step 6: Final answer
    x = 6,581.59

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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.