Home / 11,653.28-16,081.70-6,617.12

Finding the Fourth Proportional to 11,653.28, 16,081.70 and 6,617.12

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Solution

The fourth proportional to 11,653.28, 16,081.70 and 6,617.12 is: 9,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.28 : 16,081.70 = 6,617.12 : x
  2. Step 2: Convert to fraction form
    11,653.28/16,081.70 = 6,617.12/x
  3. Step 3: Cross multiply
    11,653.28x = 16,081.70 × 6,617.12
  4. Step 4: Simplify right side
    11,653.28x = 106,414,538.70
  5. Step 5: Solve for x
    x = 106,414,538.70/11,653.28
  6. Step 6: Final answer
    x = 9,131.72

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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.