Home / 12,331.36-18,497.04-5,401

Finding the Fourth Proportional to 12,331.36, 18,497.04 and 5,401

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Solution

The fourth proportional to 12,331.36, 18,497.04 and 5,401 is: 8,101.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.36 : 18,497.04 = 5,401 : x
  2. Step 2: Convert to fraction form
    12,331.36/18,497.04 = 5,401/x
  3. Step 3: Cross multiply
    12,331.36x = 18,497.04 × 5,401
  4. Step 4: Simplify right side
    12,331.36x = 99,902,513.04
  5. Step 5: Solve for x
    x = 99,902,513.04/12,331.36
  6. Step 6: Final answer
    x = 8,101.50

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1.5x scale

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.