Home / 11,671.15-16,105.54-6,634.67

Finding the Fourth Proportional to 11,671.15, 16,105.54 and 6,634.67

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Solution

The fourth proportional to 11,671.15, 16,105.54 and 6,634.67 is: 9,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.15 : 16,105.54 = 6,634.67 : x
  2. Step 2: Convert to fraction form
    11,671.15/16,105.54 = 6,634.67/x
  3. Step 3: Cross multiply
    11,671.15x = 16,105.54 × 6,634.67
  4. Step 4: Simplify right side
    11,671.15x = 106,854,909.90
  5. Step 5: Solve for x
    x = 106,854,909.90/11,671.15
  6. Step 6: Final answer
    x = 9,155.47

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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.