Home / 7,416.52-11,126.01-3,518.80

Finding the Fourth Proportional to 7,416.52, 11,126.01 and 3,518.80

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Solution

The fourth proportional to 7,416.52, 11,126.01 and 3,518.80 is: 5,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.52 : 11,126.01 = 3,518.80 : x
  2. Step 2: Convert to fraction form
    7,416.52/11,126.01 = 3,518.80/x
  3. Step 3: Cross multiply
    7,416.52x = 11,126.01 × 3,518.80
  4. Step 4: Simplify right side
    7,416.52x = 39,150,203.99
  5. Step 5: Solve for x
    x = 39,150,203.99/7,416.52
  6. Step 6: Final answer
    x = 5,278.78

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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.