Home / 11,751.13-16,207.14-10,331.80

Finding the Fourth Proportional to 11,751.13, 16,207.14 and 10,331.80

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Solution

The fourth proportional to 11,751.13, 16,207.14 and 10,331.80 is: 14,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.13 : 16,207.14 = 10,331.80 : x
  2. Step 2: Convert to fraction form
    11,751.13/16,207.14 = 10,331.80/x
  3. Step 3: Cross multiply
    11,751.13x = 16,207.14 × 10,331.80
  4. Step 4: Simplify right side
    11,751.13x = 167,448,929.05
  5. Step 5: Solve for x
    x = 167,448,929.05/11,751.13
  6. Step 6: Final answer
    x = 14,249.60

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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.