Home / 11,806.20-16,292.82-6,501.12

Finding the Fourth Proportional to 11,806.20, 16,292.82 and 6,501.12

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Solution

The fourth proportional to 11,806.20, 16,292.82 and 6,501.12 is: 8,971.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.20 : 16,292.82 = 6,501.12 : x
  2. Step 2: Convert to fraction form
    11,806.20/16,292.82 = 6,501.12/x
  3. Step 3: Cross multiply
    11,806.20x = 16,292.82 × 6,501.12
  4. Step 4: Simplify right side
    11,806.20x = 105,921,577.96
  5. Step 5: Solve for x
    x = 105,921,577.96/11,806.20
  6. Step 6: Final answer
    x = 8,971.69

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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.