Home / 11,906.48-16,430.30-6,600.98

Finding the Fourth Proportional to 11,906.48, 16,430.30 and 6,600.98

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Solution

The fourth proportional to 11,906.48, 16,430.30 and 6,600.98 is: 9,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.48 : 16,430.30 = 6,600.98 : x
  2. Step 2: Convert to fraction form
    11,906.48/16,430.30 = 6,600.98/x
  3. Step 3: Cross multiply
    11,906.48x = 16,430.30 × 6,600.98
  4. Step 4: Simplify right side
    11,906.48x = 108,456,081.69
  5. Step 5: Solve for x
    x = 108,456,081.69/11,906.48
  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.