Home / 11,878.06-16,391.82-6,572.98

Finding the Fourth Proportional to 11,878.06, 16,391.82 and 6,572.98

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Solution

The fourth proportional to 11,878.06, 16,391.82 and 6,572.98 is: 9,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.06 : 16,391.82 = 6,572.98 : x
  2. Step 2: Convert to fraction form
    11,878.06/16,391.82 = 6,572.98/x
  3. Step 3: Cross multiply
    11,878.06x = 16,391.82 × 6,572.98
  4. Step 4: Simplify right side
    11,878.06x = 107,743,105.02
  5. Step 5: Solve for x
    x = 107,743,105.02/11,878.06
  6. Step 6: Final answer
    x = 9,070.77

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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.