Home / 9,905.28-14,858.43-2,509.80

Finding the Fourth Proportional to 9,905.28, 14,858.43 and 2,509.80

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Solution

The fourth proportional to 9,905.28, 14,858.43 and 2,509.80 is: 3,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.28 : 14,858.43 = 2,509.80 : x
  2. Step 2: Convert to fraction form
    9,905.28/14,858.43 = 2,509.80/x
  3. Step 3: Cross multiply
    9,905.28x = 14,858.43 × 2,509.80
  4. Step 4: Simplify right side
    9,905.28x = 37,291,687.61
  5. Step 5: Solve for x
    x = 37,291,687.61/9,905.28
  6. Step 6: Final answer
    x = 3,764.83

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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.