Home / 8,515.46-11,751.62-5,327.74

Finding the Fourth Proportional to 8,515.46, 11,751.62 and 5,327.74

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Solution

The fourth proportional to 8,515.46, 11,751.62 and 5,327.74 is: 7,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.46 : 11,751.62 = 5,327.74 : x
  2. Step 2: Convert to fraction form
    8,515.46/11,751.62 = 5,327.74/x
  3. Step 3: Cross multiply
    8,515.46x = 11,751.62 × 5,327.74
  4. Step 4: Simplify right side
    8,515.46x = 62,609,563.99
  5. Step 5: Solve for x
    x = 62,609,563.99/8,515.46
  6. Step 6: Final answer
    x = 7,352.46

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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.