Home / 11,963.28-16,509.42-7,244.28

Finding the Fourth Proportional to 11,963.28, 16,509.42 and 7,244.28

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Solution

The fourth proportional to 11,963.28, 16,509.42 and 7,244.28 is: 9,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.28 : 16,509.42 = 7,244.28 : x
  2. Step 2: Convert to fraction form
    11,963.28/16,509.42 = 7,244.28/x
  3. Step 3: Cross multiply
    11,963.28x = 16,509.42 × 7,244.28
  4. Step 4: Simplify right side
    11,963.28x = 119,598,861.12
  5. Step 5: Solve for x
    x = 119,598,861.12/11,963.28
  6. Step 6: Final answer
    x = 9,997.16

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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.