Home / 8,744.09-12,065.76-6,382.13

Finding the Fourth Proportional to 8,744.09, 12,065.76 and 6,382.13

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Solution

The fourth proportional to 8,744.09, 12,065.76 and 6,382.13 is: 8,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.09 : 12,065.76 = 6,382.13 : x
  2. Step 2: Convert to fraction form
    8,744.09/12,065.76 = 6,382.13/x
  3. Step 3: Cross multiply
    8,744.09x = 12,065.76 × 6,382.13
  4. Step 4: Simplify right side
    8,744.09x = 77,005,188.54
  5. Step 5: Solve for x
    x = 77,005,188.54/8,744.09
  6. Step 6: Final answer
    x = 8,806.55

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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.