Home / 7,497.20-11,236.20-5,757.20

Finding the Fourth Proportional to 7,497.20, 11,236.20 and 5,757.20

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Solution

The fourth proportional to 7,497.20, 11,236.20 and 5,757.20 is: 8,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.20 : 11,236.20 = 5,757.20 : x
  2. Step 2: Convert to fraction form
    7,497.20/11,236.20 = 5,757.20/x
  3. Step 3: Cross multiply
    7,497.20x = 11,236.20 × 5,757.20
  4. Step 4: Simplify right side
    7,497.20x = 64,689,050.64
  5. Step 5: Solve for x
    x = 64,689,050.64/7,497.20
  6. Step 6: Final answer
    x = 8,628.43

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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.