Home / 12,592.02-18,890.27-5,192.43

Finding the Fourth Proportional to 12,592.02, 18,890.27 and 5,192.43

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Solution

The fourth proportional to 12,592.02, 18,890.27 and 5,192.43 is: 7,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.02 : 18,890.27 = 5,192.43 : x
  2. Step 2: Convert to fraction form
    12,592.02/18,890.27 = 5,192.43/x
  3. Step 3: Cross multiply
    12,592.02x = 18,890.27 × 5,192.43
  4. Step 4: Simplify right side
    12,592.02x = 98,086,378.69
  5. Step 5: Solve for x
    x = 98,086,378.69/12,592.02
  6. Step 6: Final answer
    x = 7,789.57

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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.