Home / 10,963.52-16,447.91-3,172.13

Finding the Fourth Proportional to 10,963.52, 16,447.91 and 3,172.13

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Solution

The fourth proportional to 10,963.52, 16,447.91 and 3,172.13 is: 4,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.52 : 16,447.91 = 3,172.13 : x
  2. Step 2: Convert to fraction form
    10,963.52/16,447.91 = 3,172.13/x
  3. Step 3: Cross multiply
    10,963.52x = 16,447.91 × 3,172.13
  4. Step 4: Simplify right side
    10,963.52x = 52,174,908.75
  5. Step 5: Solve for x
    x = 52,174,908.75/10,963.52
  6. Step 6: Final answer
    x = 4,758.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.