Home / 8,074.26-11,142.61-4,440.45

Finding the Fourth Proportional to 8,074.26, 11,142.61 and 4,440.45

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Solution

The fourth proportional to 8,074.26, 11,142.61 and 4,440.45 is: 6,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.26 : 11,142.61 = 4,440.45 : x
  2. Step 2: Convert to fraction form
    8,074.26/11,142.61 = 4,440.45/x
  3. Step 3: Cross multiply
    8,074.26x = 11,142.61 × 4,440.45
  4. Step 4: Simplify right side
    8,074.26x = 49,478,233.26
  5. Step 5: Solve for x
    x = 49,478,233.26/8,074.26
  6. Step 6: Final answer
    x = 6,127.90

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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.