Home / 10,824.80-16,232.40-4,983.20

Finding the Fourth Proportional to 10,824.80, 16,232.40 and 4,983.20

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Solution

The fourth proportional to 10,824.80, 16,232.40 and 4,983.20 is: 7,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.80 : 16,232.40 = 4,983.20 : x
  2. Step 2: Convert to fraction form
    10,824.80/16,232.40 = 4,983.20/x
  3. Step 3: Cross multiply
    10,824.80x = 16,232.40 × 4,983.20
  4. Step 4: Simplify right side
    10,824.80x = 80,889,295.68
  5. Step 5: Solve for x
    x = 80,889,295.68/10,824.80
  6. Step 6: Final answer
    x = 7,472.59

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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.