Home / 11,125.67-16,690.12-3,335.09

Finding the Fourth Proportional to 11,125.67, 16,690.12 and 3,335.09

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Solution

The fourth proportional to 11,125.67, 16,690.12 and 3,335.09 is: 5,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.67 : 16,690.12 = 3,335.09 : x
  2. Step 2: Convert to fraction form
    11,125.67/16,690.12 = 3,335.09/x
  3. Step 3: Cross multiply
    11,125.67x = 16,690.12 × 3,335.09
  4. Step 4: Simplify right side
    11,125.67x = 55,662,968.86
  5. Step 5: Solve for x
    x = 55,662,968.86/11,125.67
  6. Step 6: Final answer
    x = 5,003.11

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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.