Home / 11,906.16-16,430.58-6,601.32

Finding the Fourth Proportional to 11,906.16, 16,430.58 and 6,601.32

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Solution

The fourth proportional to 11,906.16, 16,430.58 and 6,601.32 is: 9,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.16 : 16,430.58 = 6,601.32 : x
  2. Step 2: Convert to fraction form
    11,906.16/16,430.58 = 6,601.32/x
  3. Step 3: Cross multiply
    11,906.16x = 16,430.58 × 6,601.32
  4. Step 4: Simplify right side
    11,906.16x = 108,463,516.37
  5. Step 5: Solve for x
    x = 108,463,516.37/11,906.16
  6. Step 6: Final answer
    x = 9,109.87

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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.