Home / 12,187.98-16,819.26-6,883.02

Finding the Fourth Proportional to 12,187.98, 16,819.26 and 6,883.02

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Solution

The fourth proportional to 12,187.98, 16,819.26 and 6,883.02 is: 9,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.98 : 16,819.26 = 6,883.02 : x
  2. Step 2: Convert to fraction form
    12,187.98/16,819.26 = 6,883.02/x
  3. Step 3: Cross multiply
    12,187.98x = 16,819.26 × 6,883.02
  4. Step 4: Simplify right side
    12,187.98x = 115,767,302.97
  5. Step 5: Solve for x
    x = 115,767,302.97/12,187.98
  6. Step 6: Final answer
    x = 9,498.48

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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.