Home / 10,272.39-14,176.86-6,238.25

Finding the Fourth Proportional to 10,272.39, 14,176.86 and 6,238.25

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Solution

The fourth proportional to 10,272.39, 14,176.86 and 6,238.25 is: 8,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.39 : 14,176.86 = 6,238.25 : x
  2. Step 2: Convert to fraction form
    10,272.39/14,176.86 = 6,238.25/x
  3. Step 3: Cross multiply
    10,272.39x = 14,176.86 × 6,238.25
  4. Step 4: Simplify right side
    10,272.39x = 88,438,755.78
  5. Step 5: Solve for x
    x = 88,438,755.78/10,272.39
  6. Step 6: Final answer
    x = 8,609.37

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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.