Home / 9,620.38-14,422.02-5,180.47

Finding the Fourth Proportional to 9,620.38, 14,422.02 and 5,180.47

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Solution

The fourth proportional to 9,620.38, 14,422.02 and 5,180.47 is: 7,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.38 : 14,422.02 = 5,180.47 : x
  2. Step 2: Convert to fraction form
    9,620.38/14,422.02 = 5,180.47/x
  3. Step 3: Cross multiply
    9,620.38x = 14,422.02 × 5,180.47
  4. Step 4: Simplify right side
    9,620.38x = 74,712,786.47
  5. Step 5: Solve for x
    x = 74,712,786.47/9,620.38
  6. Step 6: Final answer
    x = 7,766.09

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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.