Home / 10,321.60-15,476.58-3,299.98

Finding the Fourth Proportional to 10,321.60, 15,476.58 and 3,299.98

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Solution

The fourth proportional to 10,321.60, 15,476.58 and 3,299.98 is: 4,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.60 : 15,476.58 = 3,299.98 : x
  2. Step 2: Convert to fraction form
    10,321.60/15,476.58 = 3,299.98/x
  3. Step 3: Cross multiply
    10,321.60x = 15,476.58 × 3,299.98
  4. Step 4: Simplify right side
    10,321.60x = 51,072,404.47
  5. Step 5: Solve for x
    x = 51,072,404.47/10,321.60
  6. Step 6: Final answer
    x = 4,948.11

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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.