Home / 11,906.92-16,430.66-6,528.50

Finding the Fourth Proportional to 11,906.92, 16,430.66 and 6,528.50

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Solution

The fourth proportional to 11,906.92, 16,430.66 and 6,528.50 is: 9,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.92 : 16,430.66 = 6,528.50 : x
  2. Step 2: Convert to fraction form
    11,906.92/16,430.66 = 6,528.50/x
  3. Step 3: Cross multiply
    11,906.92x = 16,430.66 × 6,528.50
  4. Step 4: Simplify right side
    11,906.92x = 107,267,563.81
  5. Step 5: Solve for x
    x = 107,267,563.81/11,906.92
  6. Step 6: Final answer
    x = 9,008.84

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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.