Home / 10,243.92-15,359.40-3,668.88

Finding the Fourth Proportional to 10,243.92, 15,359.40 and 3,668.88

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Solution

The fourth proportional to 10,243.92, 15,359.40 and 3,668.88 is: 5,501.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.92 : 15,359.40 = 3,668.88 : x
  2. Step 2: Convert to fraction form
    10,243.92/15,359.40 = 3,668.88/x
  3. Step 3: Cross multiply
    10,243.92x = 15,359.40 × 3,668.88
  4. Step 4: Simplify right side
    10,243.92x = 56,351,795.47
  5. Step 5: Solve for x
    x = 56,351,795.47/10,243.92
  6. Step 6: Final answer
    x = 5,501.00

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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.