Home / 7,412.35-11,117.57-2,794.75

Finding the Fourth Proportional to 7,412.35, 11,117.57 and 2,794.75

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Solution

The fourth proportional to 7,412.35, 11,117.57 and 2,794.75 is: 4,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.35 : 11,117.57 = 2,794.75 : x
  2. Step 2: Convert to fraction form
    7,412.35/11,117.57 = 2,794.75/x
  3. Step 3: Cross multiply
    7,412.35x = 11,117.57 × 2,794.75
  4. Step 4: Simplify right side
    7,412.35x = 31,070,814.78
  5. Step 5: Solve for x
    x = 31,070,814.78/7,412.35
  6. Step 6: Final answer
    x = 4,191.76

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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.