Home / 11,806.13-17,720.12-5,966.84

Finding the Fourth Proportional to 11,806.13, 17,720.12 and 5,966.84

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Solution

The fourth proportional to 11,806.13, 17,720.12 and 5,966.84 is: 8,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.13 : 17,720.12 = 5,966.84 : x
  2. Step 2: Convert to fraction form
    11,806.13/17,720.12 = 5,966.84/x
  3. Step 3: Cross multiply
    11,806.13x = 17,720.12 × 5,966.84
  4. Step 4: Simplify right side
    11,806.13x = 105,733,002.39
  5. Step 5: Solve for x
    x = 105,733,002.39/11,806.13
  6. Step 6: Final answer
    x = 8,955.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.