Home / 11,705.92-16,155.69-6,671.96

Finding the Fourth Proportional to 11,705.92, 16,155.69 and 6,671.96

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Solution

The fourth proportional to 11,705.92, 16,155.69 and 6,671.96 is: 9,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.92 : 16,155.69 = 6,671.96 : x
  2. Step 2: Convert to fraction form
    11,705.92/16,155.69 = 6,671.96/x
  3. Step 3: Cross multiply
    11,705.92x = 16,155.69 × 6,671.96
  4. Step 4: Simplify right side
    11,705.92x = 107,790,117.45
  5. Step 5: Solve for x
    x = 107,790,117.45/11,705.92
  6. Step 6: Final answer
    x = 9,208.17

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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.