Home / 11,250.76-15,525.97-6,215.31

Finding the Fourth Proportional to 11,250.76, 15,525.97 and 6,215.31

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Solution

The fourth proportional to 11,250.76, 15,525.97 and 6,215.31 is: 8,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.76 : 15,525.97 = 6,215.31 : x
  2. Step 2: Convert to fraction form
    11,250.76/15,525.97 = 6,215.31/x
  3. Step 3: Cross multiply
    11,250.76x = 15,525.97 × 6,215.31
  4. Step 4: Simplify right side
    11,250.76x = 96,498,716.60
  5. Step 5: Solve for x
    x = 96,498,716.60/11,250.76
  6. Step 6: Final answer
    x = 8,577.08

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Half scale
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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.