Home / 11,806.88-16,293.11-6,501.56

Finding the Fourth Proportional to 11,806.88, 16,293.11 and 6,501.56

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Solution

The fourth proportional to 11,806.88, 16,293.11 and 6,501.56 is: 8,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.88 : 16,293.11 = 6,501.56 : x
  2. Step 2: Convert to fraction form
    11,806.88/16,293.11 = 6,501.56/x
  3. Step 3: Cross multiply
    11,806.88x = 16,293.11 × 6,501.56
  4. Step 4: Simplify right side
    11,806.88x = 105,930,518.28
  5. Step 5: Solve for x
    x = 105,930,518.28/11,806.88
  6. Step 6: Final answer
    x = 8,971.94

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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.