Home / 10,359.20-15,539.37-3,338.70

Finding the Fourth Proportional to 10,359.20, 15,539.37 and 3,338.70

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Solution

The fourth proportional to 10,359.20, 15,539.37 and 3,338.70 is: 5,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.20 : 15,539.37 = 3,338.70 : x
  2. Step 2: Convert to fraction form
    10,359.20/15,539.37 = 3,338.70/x
  3. Step 3: Cross multiply
    10,359.20x = 15,539.37 × 3,338.70
  4. Step 4: Simplify right side
    10,359.20x = 51,881,294.62
  5. Step 5: Solve for x
    x = 51,881,294.62/10,359.20
  6. Step 6: Final answer
    x = 5,008.24

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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.