Home / 7,472.96-11,178.21-5,251.64

Finding the Fourth Proportional to 7,472.96, 11,178.21 and 5,251.64

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Solution

The fourth proportional to 7,472.96, 11,178.21 and 5,251.64 is: 7,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.96 : 11,178.21 = 5,251.64 : x
  2. Step 2: Convert to fraction form
    7,472.96/11,178.21 = 5,251.64/x
  3. Step 3: Cross multiply
    7,472.96x = 11,178.21 × 5,251.64
  4. Step 4: Simplify right side
    7,472.96x = 58,703,878.87
  5. Step 5: Solve for x
    x = 58,703,878.87/7,472.96
  6. Step 6: Final answer
    x = 7,855.51

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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.