Home / 10,137.26-15,176.30-6,763.81

Finding the Fourth Proportional to 10,137.26, 15,176.30 and 6,763.81

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Solution

The fourth proportional to 10,137.26, 15,176.30 and 6,763.81 is: 10,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.26 : 15,176.30 = 6,763.81 : x
  2. Step 2: Convert to fraction form
    10,137.26/15,176.30 = 6,763.81/x
  3. Step 3: Cross multiply
    10,137.26x = 15,176.30 × 6,763.81
  4. Step 4: Simplify right side
    10,137.26x = 102,649,605.60
  5. Step 5: Solve for x
    x = 102,649,605.60/10,137.26
  6. Step 6: Final answer
    x = 10,125.97

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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.