Home / 11,447.55-15,796.82-6,343.02

Finding the Fourth Proportional to 11,447.55, 15,796.82 and 6,343.02

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Solution

The fourth proportional to 11,447.55, 15,796.82 and 6,343.02 is: 8,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.55 : 15,796.82 = 6,343.02 : x
  2. Step 2: Convert to fraction form
    11,447.55/15,796.82 = 6,343.02/x
  3. Step 3: Cross multiply
    11,447.55x = 15,796.82 × 6,343.02
  4. Step 4: Simplify right side
    11,447.55x = 100,199,513.48
  5. Step 5: Solve for x
    x = 100,199,513.48/11,447.55
  6. Step 6: Final answer
    x = 8,752.92

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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.