Home / 8,895.48-12,277.26-5,171.64

Finding the Fourth Proportional to 8,895.48, 12,277.26 and 5,171.64

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Solution

The fourth proportional to 8,895.48, 12,277.26 and 5,171.64 is: 7,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.48 : 12,277.26 = 5,171.64 : x
  2. Step 2: Convert to fraction form
    8,895.48/12,277.26 = 5,171.64/x
  3. Step 3: Cross multiply
    8,895.48x = 12,277.26 × 5,171.64
  4. Step 4: Simplify right side
    8,895.48x = 63,493,568.91
  5. Step 5: Solve for x
    x = 63,493,568.91/8,895.48
  6. Step 6: Final answer
    x = 7,137.73

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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.