Home / 7,434.78-11,153.82-2,240.28

Finding the Fourth Proportional to 7,434.78, 11,153.82 and 2,240.28

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Solution

The fourth proportional to 7,434.78, 11,153.82 and 2,240.28 is: 3,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.78 : 11,153.82 = 2,240.28 : x
  2. Step 2: Convert to fraction form
    7,434.78/11,153.82 = 2,240.28/x
  3. Step 3: Cross multiply
    7,434.78x = 11,153.82 × 2,240.28
  4. Step 4: Simplify right side
    7,434.78x = 24,987,679.87
  5. Step 5: Solve for x
    x = 24,987,679.87/7,434.78
  6. Step 6: Final answer
    x = 3,360.92

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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.