Home / 11,839.77-16,338.60-6,462.36

Finding the Fourth Proportional to 11,839.77, 16,338.60 and 6,462.36

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Solution

The fourth proportional to 11,839.77, 16,338.60 and 6,462.36 is: 8,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.77 : 16,338.60 = 6,462.36 : x
  2. Step 2: Convert to fraction form
    11,839.77/16,338.60 = 6,462.36/x
  3. Step 3: Cross multiply
    11,839.77x = 16,338.60 × 6,462.36
  4. Step 4: Simplify right side
    11,839.77x = 105,585,915.10
  5. Step 5: Solve for x
    x = 105,585,915.10/11,839.77
  6. Step 6: Final answer
    x = 8,917.90

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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.