Home / 11,971.94-16,521.09-6,667.22

Finding the Fourth Proportional to 11,971.94, 16,521.09 and 6,667.22

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Solution

The fourth proportional to 11,971.94, 16,521.09 and 6,667.22 is: 9,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.94 : 16,521.09 = 6,667.22 : x
  2. Step 2: Convert to fraction form
    11,971.94/16,521.09 = 6,667.22/x
  3. Step 3: Cross multiply
    11,971.94x = 16,521.09 × 6,667.22
  4. Step 4: Simplify right side
    11,971.94x = 110,149,741.67
  5. Step 5: Solve for x
    x = 110,149,741.67/11,971.94
  6. Step 6: Final answer
    x = 9,200.66

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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.