Home / 7,448.79-11,176.24-3,937.87

Finding the Fourth Proportional to 7,448.79, 11,176.24 and 3,937.87

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Solution

The fourth proportional to 7,448.79, 11,176.24 and 3,937.87 is: 5,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.79 : 11,176.24 = 3,937.87 : x
  2. Step 2: Convert to fraction form
    7,448.79/11,176.24 = 3,937.87/x
  3. Step 3: Cross multiply
    7,448.79x = 11,176.24 × 3,937.87
  4. Step 4: Simplify right side
    7,448.79x = 44,010,517.78
  5. Step 5: Solve for x
    x = 44,010,517.78/7,448.79
  6. Step 6: Final answer
    x = 5,908.41

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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.