Home / 11,983.62-16,501.72-11,718.10

Finding the Fourth Proportional to 11,983.62, 16,501.72 and 11,718.10

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Solution

The fourth proportional to 11,983.62, 16,501.72 and 11,718.10 is: 16,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.62 : 16,501.72 = 11,718.10 : x
  2. Step 2: Convert to fraction form
    11,983.62/16,501.72 = 11,718.10/x
  3. Step 3: Cross multiply
    11,983.62x = 16,501.72 × 11,718.10
  4. Step 4: Simplify right side
    11,983.62x = 193,368,805.13
  5. Step 5: Solve for x
    x = 193,368,805.13/11,983.62
  6. Step 6: Final answer
    x = 16,136.09

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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.