Home / 8,468.97-11,688.27-5,113.68

Finding the Fourth Proportional to 8,468.97, 11,688.27 and 5,113.68

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Solution

The fourth proportional to 8,468.97, 11,688.27 and 5,113.68 is: 7,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.97 : 11,688.27 = 5,113.68 : x
  2. Step 2: Convert to fraction form
    8,468.97/11,688.27 = 5,113.68/x
  3. Step 3: Cross multiply
    8,468.97x = 11,688.27 × 5,113.68
  4. Step 4: Simplify right side
    8,468.97x = 59,770,072.53
  5. Step 5: Solve for x
    x = 59,770,072.53/8,468.97
  6. Step 6: Final answer
    x = 7,057.54

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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.