Home / 11,292.12-16,941.60-5,447.64

Finding the Fourth Proportional to 11,292.12, 16,941.60 and 5,447.64

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Solution

The fourth proportional to 11,292.12, 16,941.60 and 5,447.64 is: 8,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.12 : 16,941.60 = 5,447.64 : x
  2. Step 2: Convert to fraction form
    11,292.12/16,941.60 = 5,447.64/x
  3. Step 3: Cross multiply
    11,292.12x = 16,941.60 × 5,447.64
  4. Step 4: Simplify right side
    11,292.12x = 92,291,737.82
  5. Step 5: Solve for x
    x = 92,291,737.82/11,292.12
  6. Step 6: Final answer
    x = 8,173.11

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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.