Home / 11,671.77-16,107.47-6,635.82

Finding the Fourth Proportional to 11,671.77, 16,107.47 and 6,635.82

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Solution

The fourth proportional to 11,671.77, 16,107.47 and 6,635.82 is: 9,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.77 : 16,107.47 = 6,635.82 : x
  2. Step 2: Convert to fraction form
    11,671.77/16,107.47 = 6,635.82/x
  3. Step 3: Cross multiply
    11,671.77x = 16,107.47 × 6,635.82
  4. Step 4: Simplify right side
    11,671.77x = 106,886,238.40
  5. Step 5: Solve for x
    x = 106,886,238.40/11,671.77
  6. Step 6: Final answer
    x = 9,157.67

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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.