Home / 7,361.28-10,158.48-4,847.04

Finding the Fourth Proportional to 7,361.28, 10,158.48 and 4,847.04

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Solution

The fourth proportional to 7,361.28, 10,158.48 and 4,847.04 is: 6,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.28 : 10,158.48 = 4,847.04 : x
  2. Step 2: Convert to fraction form
    7,361.28/10,158.48 = 4,847.04/x
  3. Step 3: Cross multiply
    7,361.28x = 10,158.48 × 4,847.04
  4. Step 4: Simplify right side
    7,361.28x = 49,238,558.90
  5. Step 5: Solve for x
    x = 49,238,558.90/7,361.28
  6. Step 6: Final answer
    x = 6,688.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.