Home / 11,876.98-16,390.35-6,571.91

Finding the Fourth Proportional to 11,876.98, 16,390.35 and 6,571.91

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Solution

The fourth proportional to 11,876.98, 16,390.35 and 6,571.91 is: 9,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.98 : 16,390.35 = 6,571.91 : x
  2. Step 2: Convert to fraction form
    11,876.98/16,390.35 = 6,571.91/x
  3. Step 3: Cross multiply
    11,876.98x = 16,390.35 × 6,571.91
  4. Step 4: Simplify right side
    11,876.98x = 107,715,905.07
  5. Step 5: Solve for x
    x = 107,715,905.07/11,876.98
  6. Step 6: Final answer
    x = 9,069.30

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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.