Home / 11,254.20-16,885.53-4,679.82

Finding the Fourth Proportional to 11,254.20, 16,885.53 and 4,679.82

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Solution

The fourth proportional to 11,254.20, 16,885.53 and 4,679.82 is: 7,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.20 : 16,885.53 = 4,679.82 : x
  2. Step 2: Convert to fraction form
    11,254.20/16,885.53 = 4,679.82/x
  3. Step 3: Cross multiply
    11,254.20x = 16,885.53 × 4,679.82
  4. Step 4: Simplify right side
    11,254.20x = 79,021,241.00
  5. Step 5: Solve for x
    x = 79,021,241.00/11,254.20
  6. Step 6: Final answer
    x = 7,021.49

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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.