Home / 7,435.28-11,154.72-2,240.84

Finding the Fourth Proportional to 7,435.28, 11,154.72 and 2,240.84

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Solution

The fourth proportional to 7,435.28, 11,154.72 and 2,240.84 is: 3,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.28 : 11,154.72 = 2,240.84 : x
  2. Step 2: Convert to fraction form
    7,435.28/11,154.72 = 2,240.84/x
  3. Step 3: Cross multiply
    7,435.28x = 11,154.72 × 2,240.84
  4. Step 4: Simplify right side
    7,435.28x = 24,995,942.76
  5. Step 5: Solve for x
    x = 24,995,942.76/7,435.28
  6. Step 6: Final answer
    x = 3,361.80

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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.