Home / 11,645.24-16,076.96-8,914.62

Finding the Fourth Proportional to 11,645.24, 16,076.96 and 8,914.62

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Solution

The fourth proportional to 11,645.24, 16,076.96 and 8,914.62 is: 12,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.24 : 16,076.96 = 8,914.62 : x
  2. Step 2: Convert to fraction form
    11,645.24/16,076.96 = 8,914.62/x
  3. Step 3: Cross multiply
    11,645.24x = 16,076.96 × 8,914.62
  4. Step 4: Simplify right side
    11,645.24x = 143,319,944.58
  5. Step 5: Solve for x
    x = 143,319,944.58/11,645.24
  6. Step 6: Final answer
    x = 12,307.17

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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.