Home / 12,369.33-17,063.85-11,892.06

Finding the Fourth Proportional to 12,369.33, 17,063.85 and 11,892.06

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Solution

The fourth proportional to 12,369.33, 17,063.85 and 11,892.06 is: 16,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.33 : 17,063.85 = 11,892.06 : x
  2. Step 2: Convert to fraction form
    12,369.33/17,063.85 = 11,892.06/x
  3. Step 3: Cross multiply
    12,369.33x = 17,063.85 × 11,892.06
  4. Step 4: Simplify right side
    12,369.33x = 202,924,328.03
  5. Step 5: Solve for x
    x = 202,924,328.03/12,369.33
  6. Step 6: Final answer
    x = 16,405.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.