Home / 7,449.18-11,172.30-2,253.84

Finding the Fourth Proportional to 7,449.18, 11,172.30 and 2,253.84

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Solution

The fourth proportional to 7,449.18, 11,172.30 and 2,253.84 is: 3,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.18 : 11,172.30 = 2,253.84 : x
  2. Step 2: Convert to fraction form
    7,449.18/11,172.30 = 2,253.84/x
  3. Step 3: Cross multiply
    7,449.18x = 11,172.30 × 2,253.84
  4. Step 4: Simplify right side
    7,449.18x = 25,180,576.63
  5. Step 5: Solve for x
    x = 25,180,576.63/7,449.18
  6. Step 6: Final answer
    x = 3,380.32

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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.