Home / 10,962.12-16,439.64-3,564.80

Finding the Fourth Proportional to 10,962.12, 16,439.64 and 3,564.80

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Solution

The fourth proportional to 10,962.12, 16,439.64 and 3,564.80 is: 5,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.12 : 16,439.64 = 3,564.80 : x
  2. Step 2: Convert to fraction form
    10,962.12/16,439.64 = 3,564.80/x
  3. Step 3: Cross multiply
    10,962.12x = 16,439.64 × 3,564.80
  4. Step 4: Simplify right side
    10,962.12x = 58,604,028.67
  5. Step 5: Solve for x
    x = 58,604,028.67/10,962.12
  6. Step 6: Final answer
    x = 5,346.05

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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.