Home / 10,985.28-16,473.81-3,963.39

Finding the Fourth Proportional to 10,985.28, 16,473.81 and 3,963.39

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Solution

The fourth proportional to 10,985.28, 16,473.81 and 3,963.39 is: 5,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.28 : 16,473.81 = 3,963.39 : x
  2. Step 2: Convert to fraction form
    10,985.28/16,473.81 = 3,963.39/x
  3. Step 3: Cross multiply
    10,985.28x = 16,473.81 × 3,963.39
  4. Step 4: Simplify right side
    10,985.28x = 65,292,133.82
  5. Step 5: Solve for x
    x = 65,292,133.82/10,985.28
  6. Step 6: Final answer
    x = 5,943.60

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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.