Home / 10,688.28-16,034.92-3,668.36

Finding the Fourth Proportional to 10,688.28, 16,034.92 and 3,668.36

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Solution

The fourth proportional to 10,688.28, 16,034.92 and 3,668.36 is: 5,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.28 : 16,034.92 = 3,668.36 : x
  2. Step 2: Convert to fraction form
    10,688.28/16,034.92 = 3,668.36/x
  3. Step 3: Cross multiply
    10,688.28x = 16,034.92 × 3,668.36
  4. Step 4: Simplify right side
    10,688.28x = 58,821,859.13
  5. Step 5: Solve for x
    x = 58,821,859.13/10,688.28
  6. Step 6: Final answer
    x = 5,503.40

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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.