Home / 11,109.96-16,664.94-7,669.08

Finding the Fourth Proportional to 11,109.96, 16,664.94 and 7,669.08

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Solution

The fourth proportional to 11,109.96, 16,664.94 and 7,669.08 is: 11,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.96 : 16,664.94 = 7,669.08 : x
  2. Step 2: Convert to fraction form
    11,109.96/16,664.94 = 7,669.08/x
  3. Step 3: Cross multiply
    11,109.96x = 16,664.94 × 7,669.08
  4. Step 4: Simplify right side
    11,109.96x = 127,804,758.06
  5. Step 5: Solve for x
    x = 127,804,758.06/11,109.96
  6. Step 6: Final answer
    x = 11,503.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.