Home / 7,505.76-11,255.30-3,995.02

Finding the Fourth Proportional to 7,505.76, 11,255.30 and 3,995.02

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Solution

The fourth proportional to 7,505.76, 11,255.30 and 3,995.02 is: 5,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.76 : 11,255.30 = 3,995.02 : x
  2. Step 2: Convert to fraction form
    7,505.76/11,255.30 = 3,995.02/x
  3. Step 3: Cross multiply
    7,505.76x = 11,255.30 × 3,995.02
  4. Step 4: Simplify right side
    7,505.76x = 44,965,072.35
  5. Step 5: Solve for x
    x = 44,965,072.35/7,505.76
  6. Step 6: Final answer
    x = 5,990.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.