Home / 11,806.80-16,293.84-6,501.51

Finding the Fourth Proportional to 11,806.80, 16,293.84 and 6,501.51

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Solution

The fourth proportional to 11,806.80, 16,293.84 and 6,501.51 is: 8,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.80 : 16,293.84 = 6,501.51 : x
  2. Step 2: Convert to fraction form
    11,806.80/16,293.84 = 6,501.51/x
  3. Step 3: Cross multiply
    11,806.80x = 16,293.84 × 6,501.51
  4. Step 4: Simplify right side
    11,806.80x = 105,934,563.70
  5. Step 5: Solve for x
    x = 105,934,563.70/11,806.80
  6. Step 6: Final answer
    x = 8,972.33

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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.