Home / 10,718.70-16,049.25-8,736.23

Finding the Fourth Proportional to 10,718.70, 16,049.25 and 8,736.23

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Solution

The fourth proportional to 10,718.70, 16,049.25 and 8,736.23 is: 13,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.70 : 16,049.25 = 8,736.23 : x
  2. Step 2: Convert to fraction form
    10,718.70/16,049.25 = 8,736.23/x
  3. Step 3: Cross multiply
    10,718.70x = 16,049.25 × 8,736.23
  4. Step 4: Simplify right side
    10,718.70x = 140,209,939.33
  5. Step 5: Solve for x
    x = 140,209,939.33/10,718.70
  6. Step 6: Final answer
    x = 13,080.87

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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.