Home / 10,059.86-15,089.79-3,819.87

Finding the Fourth Proportional to 10,059.86, 15,089.79 and 3,819.87

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Solution

The fourth proportional to 10,059.86, 15,089.79 and 3,819.87 is: 5,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.86 : 15,089.79 = 3,819.87 : x
  2. Step 2: Convert to fraction form
    10,059.86/15,089.79 = 3,819.87/x
  3. Step 3: Cross multiply
    10,059.86x = 15,089.79 × 3,819.87
  4. Step 4: Simplify right side
    10,059.86x = 57,641,092.71
  5. Step 5: Solve for x
    x = 57,641,092.71/10,059.86
  6. Step 6: Final answer
    x = 5,729.81

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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.