Home / 11,160.24-16,766.50-10,529.78

Finding the Fourth Proportional to 11,160.24, 16,766.50 and 10,529.78

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Solution

The fourth proportional to 11,160.24, 16,766.50 and 10,529.78 is: 15,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.24 : 16,766.50 = 10,529.78 : x
  2. Step 2: Convert to fraction form
    11,160.24/16,766.50 = 10,529.78/x
  3. Step 3: Cross multiply
    11,160.24x = 16,766.50 × 10,529.78
  4. Step 4: Simplify right side
    11,160.24x = 176,547,556.37
  5. Step 5: Solve for x
    x = 176,547,556.37/11,160.24
  6. Step 6: Final answer
    x = 15,819.33

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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.