Home / 11,992.41-16,551.53-6,960.81

Finding the Fourth Proportional to 11,992.41, 16,551.53 and 6,960.81

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Solution

The fourth proportional to 11,992.41, 16,551.53 and 6,960.81 is: 9,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.41 : 16,551.53 = 6,960.81 : x
  2. Step 2: Convert to fraction form
    11,992.41/16,551.53 = 6,960.81/x
  3. Step 3: Cross multiply
    11,992.41x = 16,551.53 × 6,960.81
  4. Step 4: Simplify right side
    11,992.41x = 115,212,085.60
  5. Step 5: Solve for x
    x = 115,212,085.60/11,992.41
  6. Step 6: Final answer
    x = 9,607.09

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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.