Home / 10,655.36-15,982.46-3,259.82

Finding the Fourth Proportional to 10,655.36, 15,982.46 and 3,259.82

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Solution

The fourth proportional to 10,655.36, 15,982.46 and 3,259.82 is: 4,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.36 : 15,982.46 = 3,259.82 : x
  2. Step 2: Convert to fraction form
    10,655.36/15,982.46 = 3,259.82/x
  3. Step 3: Cross multiply
    10,655.36x = 15,982.46 × 3,259.82
  4. Step 4: Simplify right side
    10,655.36x = 52,099,904.64
  5. Step 5: Solve for x
    x = 52,099,904.64/10,655.36
  6. Step 6: Final answer
    x = 4,889.55

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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.