Home / 11,906.59-16,430.44-6,600.99

Finding the Fourth Proportional to 11,906.59, 16,430.44 and 6,600.99

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Solution

The fourth proportional to 11,906.59, 16,430.44 and 6,600.99 is: 9,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.59 : 16,430.44 = 6,600.99 : x
  2. Step 2: Convert to fraction form
    11,906.59/16,430.44 = 6,600.99/x
  3. Step 3: Cross multiply
    11,906.59x = 16,430.44 × 6,600.99
  4. Step 4: Simplify right side
    11,906.59x = 108,457,170.14
  5. Step 5: Solve for x
    x = 108,457,170.14/11,906.59
  6. Step 6: Final answer
    x = 9,109.00

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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.