Home / 8,247.42-11,376.45-7,252.74

Finding the Fourth Proportional to 8,247.42, 11,376.45 and 7,252.74

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Solution

The fourth proportional to 8,247.42, 11,376.45 and 7,252.74 is: 10,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.42 : 11,376.45 = 7,252.74 : x
  2. Step 2: Convert to fraction form
    8,247.42/11,376.45 = 7,252.74/x
  3. Step 3: Cross multiply
    8,247.42x = 11,376.45 × 7,252.74
  4. Step 4: Simplify right side
    8,247.42x = 82,510,433.97
  5. Step 5: Solve for x
    x = 82,510,433.97/8,247.42
  6. Step 6: Final answer
    x = 10,004.39

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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.