Home / 10,353.79-15,530.49-2,562.60

Finding the Fourth Proportional to 10,353.79, 15,530.49 and 2,562.60

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Solution

The fourth proportional to 10,353.79, 15,530.49 and 2,562.60 is: 3,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.79 : 15,530.49 = 2,562.60 : x
  2. Step 2: Convert to fraction form
    10,353.79/15,530.49 = 2,562.60/x
  3. Step 3: Cross multiply
    10,353.79x = 15,530.49 × 2,562.60
  4. Step 4: Simplify right side
    10,353.79x = 39,798,433.67
  5. Step 5: Solve for x
    x = 39,798,433.67/10,353.79
  6. Step 6: Final answer
    x = 3,843.85

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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.