Home / 11,925.12-16,449.84-10,512.21

Finding the Fourth Proportional to 11,925.12, 16,449.84 and 10,512.21

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Solution

The fourth proportional to 11,925.12, 16,449.84 and 10,512.21 is: 14,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.12 : 16,449.84 = 10,512.21 : x
  2. Step 2: Convert to fraction form
    11,925.12/16,449.84 = 10,512.21/x
  3. Step 3: Cross multiply
    11,925.12x = 16,449.84 × 10,512.21
  4. Step 4: Simplify right side
    11,925.12x = 172,924,172.55
  5. Step 5: Solve for x
    x = 172,924,172.55/11,925.12
  6. Step 6: Final answer
    x = 14,500.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.