Home / 10,359.88-15,539.61-3,784.30

Finding the Fourth Proportional to 10,359.88, 15,539.61 and 3,784.30

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Solution

The fourth proportional to 10,359.88, 15,539.61 and 3,784.30 is: 5,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.88 : 15,539.61 = 3,784.30 : x
  2. Step 2: Convert to fraction form
    10,359.88/15,539.61 = 3,784.30/x
  3. Step 3: Cross multiply
    10,359.88x = 15,539.61 × 3,784.30
  4. Step 4: Simplify right side
    10,359.88x = 58,806,546.12
  5. Step 5: Solve for x
    x = 58,806,546.12/10,359.88
  6. Step 6: Final answer
    x = 5,676.37

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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.