Home / 11,240.34-16,859.90-3,449.16

Finding the Fourth Proportional to 11,240.34, 16,859.90 and 3,449.16

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Solution

The fourth proportional to 11,240.34, 16,859.90 and 3,449.16 is: 5,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.34 : 16,859.90 = 3,449.16 : x
  2. Step 2: Convert to fraction form
    11,240.34/16,859.90 = 3,449.16/x
  3. Step 3: Cross multiply
    11,240.34x = 16,859.90 × 3,449.16
  4. Step 4: Simplify right side
    11,240.34x = 58,152,492.68
  5. Step 5: Solve for x
    x = 58,152,492.68/11,240.34
  6. Step 6: Final answer
    x = 5,173.55

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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.