Home / 10,105.11-13,946.84-6,331.51

Finding the Fourth Proportional to 10,105.11, 13,946.84 and 6,331.51

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Solution

The fourth proportional to 10,105.11, 13,946.84 and 6,331.51 is: 8,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.11 : 13,946.84 = 6,331.51 : x
  2. Step 2: Convert to fraction form
    10,105.11/13,946.84 = 6,331.51/x
  3. Step 3: Cross multiply
    10,105.11x = 13,946.84 × 6,331.51
  4. Step 4: Simplify right side
    10,105.11x = 88,304,556.93
  5. Step 5: Solve for x
    x = 88,304,556.93/10,105.11
  6. Step 6: Final answer
    x = 8,738.60

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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.