Home / 7,416.92-11,118.90-3,518.48

Finding the Fourth Proportional to 7,416.92, 11,118.90 and 3,518.48

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Solution

The fourth proportional to 7,416.92, 11,118.90 and 3,518.48 is: 5,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.92 : 11,118.90 = 3,518.48 : x
  2. Step 2: Convert to fraction form
    7,416.92/11,118.90 = 3,518.48/x
  3. Step 3: Cross multiply
    7,416.92x = 11,118.90 × 3,518.48
  4. Step 4: Simplify right side
    7,416.92x = 39,121,627.27
  5. Step 5: Solve for x
    x = 39,121,627.27/7,416.92
  6. Step 6: Final answer
    x = 5,274.65

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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.