Home / 12,110.33-16,709.31-7,071.66

Finding the Fourth Proportional to 12,110.33, 16,709.31 and 7,071.66

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Solution

The fourth proportional to 12,110.33, 16,709.31 and 7,071.66 is: 9,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.33 : 16,709.31 = 7,071.66 : x
  2. Step 2: Convert to fraction form
    12,110.33/16,709.31 = 7,071.66/x
  3. Step 3: Cross multiply
    12,110.33x = 16,709.31 × 7,071.66
  4. Step 4: Simplify right side
    12,110.33x = 118,162,559.15
  5. Step 5: Solve for x
    x = 118,162,559.15/12,110.33
  6. Step 6: Final answer
    x = 9,757.17

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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.