Home / 12,473.28-17,217.32-8,235.97

Finding the Fourth Proportional to 12,473.28, 17,217.32 and 8,235.97

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Solution

The fourth proportional to 12,473.28, 17,217.32 and 8,235.97 is: 11,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.28 : 17,217.32 = 8,235.97 : x
  2. Step 2: Convert to fraction form
    12,473.28/17,217.32 = 8,235.97/x
  3. Step 3: Cross multiply
    12,473.28x = 17,217.32 × 8,235.97
  4. Step 4: Simplify right side
    12,473.28x = 141,801,331.00
  5. Step 5: Solve for x
    x = 141,801,331.00/12,473.28
  6. Step 6: Final answer
    x = 11,368.41

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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.