Home / 11,336.79-15,642.36-6,299.96

Finding the Fourth Proportional to 11,336.79, 15,642.36 and 6,299.96

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Solution

The fourth proportional to 11,336.79, 15,642.36 and 6,299.96 is: 8,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.79 : 15,642.36 = 6,299.96 : x
  2. Step 2: Convert to fraction form
    11,336.79/15,642.36 = 6,299.96/x
  3. Step 3: Cross multiply
    11,336.79x = 15,642.36 × 6,299.96
  4. Step 4: Simplify right side
    11,336.79x = 98,546,164.09
  5. Step 5: Solve for x
    x = 98,546,164.09/11,336.79
  6. Step 6: Final answer
    x = 8,692.60

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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.