Home / 8,247.95-11,378.84-5,732.09

Finding the Fourth Proportional to 8,247.95, 11,378.84 and 5,732.09

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Solution

The fourth proportional to 8,247.95, 11,378.84 and 5,732.09 is: 7,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.95 : 11,378.84 = 5,732.09 : x
  2. Step 2: Convert to fraction form
    8,247.95/11,378.84 = 5,732.09/x
  3. Step 3: Cross multiply
    8,247.95x = 11,378.84 × 5,732.09
  4. Step 4: Simplify right side
    8,247.95x = 65,224,534.98
  5. Step 5: Solve for x
    x = 65,224,534.98/8,247.95
  6. Step 6: Final answer
    x = 7,907.97

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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.