Home / 7,423.68-11,135.70-2,493.48

Finding the Fourth Proportional to 7,423.68, 11,135.70 and 2,493.48

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Solution

The fourth proportional to 7,423.68, 11,135.70 and 2,493.48 is: 3,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.68 : 11,135.70 = 2,493.48 : x
  2. Step 2: Convert to fraction form
    7,423.68/11,135.70 = 2,493.48/x
  3. Step 3: Cross multiply
    7,423.68x = 11,135.70 × 2,493.48
  4. Step 4: Simplify right side
    7,423.68x = 27,766,645.24
  5. Step 5: Solve for x
    x = 27,766,645.24/7,423.68
  6. Step 6: Final answer
    x = 3,740.28

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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.