Home / 10,200.43-15,302.01-3,180.92

Finding the Fourth Proportional to 10,200.43, 15,302.01 and 3,180.92

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Solution

The fourth proportional to 10,200.43, 15,302.01 and 3,180.92 is: 4,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.43 : 15,302.01 = 3,180.92 : x
  2. Step 2: Convert to fraction form
    10,200.43/15,302.01 = 3,180.92/x
  3. Step 3: Cross multiply
    10,200.43x = 15,302.01 × 3,180.92
  4. Step 4: Simplify right side
    10,200.43x = 48,674,491.14
  5. Step 5: Solve for x
    x = 48,674,491.14/10,200.43
  6. Step 6: Final answer
    x = 4,771.81

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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.