Home / 11,683.14-16,122.24-6,646.66

Finding the Fourth Proportional to 11,683.14, 16,122.24 and 6,646.66

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Solution

The fourth proportional to 11,683.14, 16,122.24 and 6,646.66 is: 9,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.14 : 16,122.24 = 6,646.66 : x
  2. Step 2: Convert to fraction form
    11,683.14/16,122.24 = 6,646.66/x
  3. Step 3: Cross multiply
    11,683.14x = 16,122.24 × 6,646.66
  4. Step 4: Simplify right side
    11,683.14x = 107,159,007.41
  5. Step 5: Solve for x
    x = 107,159,007.41/11,683.14
  6. Step 6: Final answer
    x = 9,172.11

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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.