Home / 11,945.71-16,485.20-6,568.43

Finding the Fourth Proportional to 11,945.71, 16,485.20 and 6,568.43

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Solution

The fourth proportional to 11,945.71, 16,485.20 and 6,568.43 is: 9,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.71 : 16,485.20 = 6,568.43 : x
  2. Step 2: Convert to fraction form
    11,945.71/16,485.20 = 6,568.43/x
  3. Step 3: Cross multiply
    11,945.71x = 16,485.20 × 6,568.43
  4. Step 4: Simplify right side
    11,945.71x = 108,281,882.24
  5. Step 5: Solve for x
    x = 108,281,882.24/11,945.71
  6. Step 6: Final answer
    x = 9,064.50

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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.