Home / 11,738.49-16,199.10-6,433.30

Finding the Fourth Proportional to 11,738.49, 16,199.10 and 6,433.30

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Solution

The fourth proportional to 11,738.49, 16,199.10 and 6,433.30 is: 8,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.49 : 16,199.10 = 6,433.30 : x
  2. Step 2: Convert to fraction form
    11,738.49/16,199.10 = 6,433.30/x
  3. Step 3: Cross multiply
    11,738.49x = 16,199.10 × 6,433.30
  4. Step 4: Simplify right side
    11,738.49x = 104,213,670.03
  5. Step 5: Solve for x
    x = 104,213,670.03/11,738.49
  6. Step 6: Final answer
    x = 8,877.95

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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.