Home / 10,635.28-15,954.65-3,615.92

Finding the Fourth Proportional to 10,635.28, 15,954.65 and 3,615.92

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Solution

The fourth proportional to 10,635.28, 15,954.65 and 3,615.92 is: 5,424.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.28 : 15,954.65 = 3,615.92 : x
  2. Step 2: Convert to fraction form
    10,635.28/15,954.65 = 3,615.92/x
  3. Step 3: Cross multiply
    10,635.28x = 15,954.65 × 3,615.92
  4. Step 4: Simplify right side
    10,635.28x = 57,690,743.48
  5. Step 5: Solve for x
    x = 57,690,743.48/10,635.28
  6. Step 6: Final answer
    x = 5,424.47

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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.