Home / 7,370.76-10,163.57-6,418.05

Finding the Fourth Proportional to 7,370.76, 10,163.57 and 6,418.05

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Solution

The fourth proportional to 7,370.76, 10,163.57 and 6,418.05 is: 8,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.76 : 10,163.57 = 6,418.05 : x
  2. Step 2: Convert to fraction form
    7,370.76/10,163.57 = 6,418.05/x
  3. Step 3: Cross multiply
    7,370.76x = 10,163.57 × 6,418.05
  4. Step 4: Simplify right side
    7,370.76x = 65,230,300.44
  5. Step 5: Solve for x
    x = 65,230,300.44/7,370.76
  6. Step 6: Final answer
    x = 8,849.87

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Half scale
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Double scale
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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.