Home / 7,402.35-11,103.75-2,472.42

Finding the Fourth Proportional to 7,402.35, 11,103.75 and 2,472.42

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Solution

The fourth proportional to 7,402.35, 11,103.75 and 2,472.42 is: 3,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.35 : 11,103.75 = 2,472.42 : x
  2. Step 2: Convert to fraction form
    7,402.35/11,103.75 = 2,472.42/x
  3. Step 3: Cross multiply
    7,402.35x = 11,103.75 × 2,472.42
  4. Step 4: Simplify right side
    7,402.35x = 27,453,133.58
  5. Step 5: Solve for x
    x = 27,453,133.58/7,402.35
  6. Step 6: Final answer
    x = 3,708.71

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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.