Home / 12,110.79-16,712.25-6,805.27

Finding the Fourth Proportional to 12,110.79, 16,712.25 and 6,805.27

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Solution

The fourth proportional to 12,110.79, 16,712.25 and 6,805.27 is: 9,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.79 : 16,712.25 = 6,805.27 : x
  2. Step 2: Convert to fraction form
    12,110.79/16,712.25 = 6,805.27/x
  3. Step 3: Cross multiply
    12,110.79x = 16,712.25 × 6,805.27
  4. Step 4: Simplify right side
    12,110.79x = 113,731,294.06
  5. Step 5: Solve for x
    x = 113,731,294.06/12,110.79
  6. Step 6: Final answer
    x = 9,390.91

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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.