Home / 10,556.92-15,835.74-3,981.52

Finding the Fourth Proportional to 10,556.92, 15,835.74 and 3,981.52

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Solution

The fourth proportional to 10,556.92, 15,835.74 and 3,981.52 is: 5,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.92 : 15,835.74 = 3,981.52 : x
  2. Step 2: Convert to fraction form
    10,556.92/15,835.74 = 3,981.52/x
  3. Step 3: Cross multiply
    10,556.92x = 15,835.74 × 3,981.52
  4. Step 4: Simplify right side
    10,556.92x = 63,050,315.52
  5. Step 5: Solve for x
    x = 63,050,315.52/10,556.92
  6. Step 6: Final answer
    x = 5,972.42

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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.