Home / 10,362.92-15,539.81-3,789.16

Finding the Fourth Proportional to 10,362.92, 15,539.81 and 3,789.16

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Solution

The fourth proportional to 10,362.92, 15,539.81 and 3,789.16 is: 5,682.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.92 : 15,539.81 = 3,789.16 : x
  2. Step 2: Convert to fraction form
    10,362.92/15,539.81 = 3,789.16/x
  3. Step 3: Cross multiply
    10,362.92x = 15,539.81 × 3,789.16
  4. Step 4: Simplify right side
    10,362.92x = 58,882,729.81
  5. Step 5: Solve for x
    x = 58,882,729.81/10,362.92
  6. Step 6: Final answer
    x = 5,682.06

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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.