Home / 12,827.07-17,699.22-8,571.29

Finding the Fourth Proportional to 12,827.07, 17,699.22 and 8,571.29

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Solution

The fourth proportional to 12,827.07, 17,699.22 and 8,571.29 is: 11,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.07 : 17,699.22 = 8,571.29 : x
  2. Step 2: Convert to fraction form
    12,827.07/17,699.22 = 8,571.29/x
  3. Step 3: Cross multiply
    12,827.07x = 17,699.22 × 8,571.29
  4. Step 4: Simplify right side
    12,827.07x = 151,705,058.90
  5. Step 5: Solve for x
    x = 151,705,058.90/12,827.07
  6. Step 6: Final answer
    x = 11,826.95

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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.