Home / 8,515.27-11,750.38-4,738.44

Finding the Fourth Proportional to 8,515.27, 11,750.38 and 4,738.44

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Solution

The fourth proportional to 8,515.27, 11,750.38 and 4,738.44 is: 6,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.27 : 11,750.38 = 4,738.44 : x
  2. Step 2: Convert to fraction form
    8,515.27/11,750.38 = 4,738.44/x
  3. Step 3: Cross multiply
    8,515.27x = 11,750.38 × 4,738.44
  4. Step 4: Simplify right side
    8,515.27x = 55,678,470.61
  5. Step 5: Solve for x
    x = 55,678,470.61/8,515.27
  6. Step 6: Final answer
    x = 6,538.66

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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.