Home / 11,670.21-16,106.12-7,193.85

Finding the Fourth Proportional to 11,670.21, 16,106.12 and 7,193.85

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Solution

The fourth proportional to 11,670.21, 16,106.12 and 7,193.85 is: 9,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.21 : 16,106.12 = 7,193.85 : x
  2. Step 2: Convert to fraction form
    11,670.21/16,106.12 = 7,193.85/x
  3. Step 3: Cross multiply
    11,670.21x = 16,106.12 × 7,193.85
  4. Step 4: Simplify right side
    11,670.21x = 115,864,975.39
  5. Step 5: Solve for x
    x = 115,864,975.39/11,670.21
  6. Step 6: Final answer
    x = 9,928.27

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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.