Home / 12,476.25-17,217.23-6,887.61

Finding the Fourth Proportional to 12,476.25, 17,217.23 and 6,887.61

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Solution

The fourth proportional to 12,476.25, 17,217.23 and 6,887.61 is: 9,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.25 : 17,217.23 = 6,887.61 : x
  2. Step 2: Convert to fraction form
    12,476.25/17,217.23 = 6,887.61/x
  3. Step 3: Cross multiply
    12,476.25x = 17,217.23 × 6,887.61
  4. Step 4: Simplify right side
    12,476.25x = 118,585,531.08
  5. Step 5: Solve for x
    x = 118,585,531.08/12,476.25
  6. Step 6: Final answer
    x = 9,504.90

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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.