Home / 10,261.85-14,161.32-5,546.12

Finding the Fourth Proportional to 10,261.85, 14,161.32 and 5,546.12

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Solution

The fourth proportional to 10,261.85, 14,161.32 and 5,546.12 is: 7,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.85 : 14,161.32 = 5,546.12 : x
  2. Step 2: Convert to fraction form
    10,261.85/14,161.32 = 5,546.12/x
  3. Step 3: Cross multiply
    10,261.85x = 14,161.32 × 5,546.12
  4. Step 4: Simplify right side
    10,261.85x = 78,540,309.27
  5. Step 5: Solve for x
    x = 78,540,309.27/10,261.85
  6. Step 6: Final answer
    x = 7,653.62

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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.