Home / 11,447.03-15,796.73-6,411.42

Finding the Fourth Proportional to 11,447.03, 15,796.73 and 6,411.42

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Solution

The fourth proportional to 11,447.03, 15,796.73 and 6,411.42 is: 8,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.03 : 15,796.73 = 6,411.42 : x
  2. Step 2: Convert to fraction form
    11,447.03/15,796.73 = 6,411.42/x
  3. Step 3: Cross multiply
    11,447.03x = 15,796.73 × 6,411.42
  4. Step 4: Simplify right side
    11,447.03x = 101,279,494.12
  5. Step 5: Solve for x
    x = 101,279,494.12/11,447.03
  6. Step 6: Final answer
    x = 8,847.67

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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.