Home / 7,110.92-9,814.87-4,126.38

Finding the Fourth Proportional to 7,110.92, 9,814.87 and 4,126.38

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Solution

The fourth proportional to 7,110.92, 9,814.87 and 4,126.38 is: 5,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.92 : 9,814.87 = 4,126.38 : x
  2. Step 2: Convert to fraction form
    7,110.92/9,814.87 = 4,126.38/x
  3. Step 3: Cross multiply
    7,110.92x = 9,814.87 × 4,126.38
  4. Step 4: Simplify right side
    7,110.92x = 40,499,851.62
  5. Step 5: Solve for x
    x = 40,499,851.62/7,110.92
  6. Step 6: Final answer
    x = 5,695.44

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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.