Home / 11,767.08-16,216.12-11,550.91

Finding the Fourth Proportional to 11,767.08, 16,216.12 and 11,550.91

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Solution

The fourth proportional to 11,767.08, 16,216.12 and 11,550.91 is: 15,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.08 : 16,216.12 = 11,550.91 : x
  2. Step 2: Convert to fraction form
    11,767.08/16,216.12 = 11,550.91/x
  3. Step 3: Cross multiply
    11,767.08x = 16,216.12 × 11,550.91
  4. Step 4: Simplify right side
    11,767.08x = 187,310,803.83
  5. Step 5: Solve for x
    x = 187,310,803.83/11,767.08
  6. Step 6: Final answer
    x = 15,918.21

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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.