Home / 10,829.25-16,243.88-2,621.25

Finding the Fourth Proportional to 10,829.25, 16,243.88 and 2,621.25

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Solution

The fourth proportional to 10,829.25, 16,243.88 and 2,621.25 is: 3,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.25 : 16,243.88 = 2,621.25 : x
  2. Step 2: Convert to fraction form
    10,829.25/16,243.88 = 2,621.25/x
  3. Step 3: Cross multiply
    10,829.25x = 16,243.88 × 2,621.25
  4. Step 4: Simplify right side
    10,829.25x = 42,579,257.34
  5. Step 5: Solve for x
    x = 42,579,257.34/10,829.25
  6. Step 6: Final answer
    x = 3,931.88

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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.