Home / 10,822.40-16,232.52-3,031.28

Finding the Fourth Proportional to 10,822.40, 16,232.52 and 3,031.28

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Solution

The fourth proportional to 10,822.40, 16,232.52 and 3,031.28 is: 4,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.40 : 16,232.52 = 3,031.28 : x
  2. Step 2: Convert to fraction form
    10,822.40/16,232.52 = 3,031.28/x
  3. Step 3: Cross multiply
    10,822.40x = 16,232.52 × 3,031.28
  4. Step 4: Simplify right side
    10,822.40x = 49,205,313.23
  5. Step 5: Solve for x
    x = 49,205,313.23/10,822.40
  6. Step 6: Final answer
    x = 4,546.62

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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.