Home / 7,520.13-11,276.64-2,253.11

Finding the Fourth Proportional to 7,520.13, 11,276.64 and 2,253.11

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Solution

The fourth proportional to 7,520.13, 11,276.64 and 2,253.11 is: 3,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.13 : 11,276.64 = 2,253.11 : x
  2. Step 2: Convert to fraction form
    7,520.13/11,276.64 = 2,253.11/x
  3. Step 3: Cross multiply
    7,520.13x = 11,276.64 × 2,253.11
  4. Step 4: Simplify right side
    7,520.13x = 25,407,453.97
  5. Step 5: Solve for x
    x = 25,407,453.97/7,520.13
  6. Step 6: Final answer
    x = 3,378.59

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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.