Home / 10,529.92-15,786.55-3,955.38

Finding the Fourth Proportional to 10,529.92, 15,786.55 and 3,955.38

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Solution

The fourth proportional to 10,529.92, 15,786.55 and 3,955.38 is: 5,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.92 : 15,786.55 = 3,955.38 : x
  2. Step 2: Convert to fraction form
    10,529.92/15,786.55 = 3,955.38/x
  3. Step 3: Cross multiply
    10,529.92x = 15,786.55 × 3,955.38
  4. Step 4: Simplify right side
    10,529.92x = 62,441,804.14
  5. Step 5: Solve for x
    x = 62,441,804.14/10,529.92
  6. Step 6: Final answer
    x = 5,929.94

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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.