Home / 12,087.75-16,675.43-8,552.91

Finding the Fourth Proportional to 12,087.75, 16,675.43 and 8,552.91

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Solution

The fourth proportional to 12,087.75, 16,675.43 and 8,552.91 is: 11,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.75 : 16,675.43 = 8,552.91 : x
  2. Step 2: Convert to fraction form
    12,087.75/16,675.43 = 8,552.91/x
  3. Step 3: Cross multiply
    12,087.75x = 16,675.43 × 8,552.91
  4. Step 4: Simplify right side
    12,087.75x = 142,623,409.24
  5. Step 5: Solve for x
    x = 142,623,409.24/12,087.75
  6. Step 6: Final answer
    x = 11,799.00

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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.