Home / 11,725.80-16,189.15-10,464.69

Finding the Fourth Proportional to 11,725.80, 16,189.15 and 10,464.69

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Solution

The fourth proportional to 11,725.80, 16,189.15 and 10,464.69 is: 14,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.80 : 16,189.15 = 10,464.69 : x
  2. Step 2: Convert to fraction form
    11,725.80/16,189.15 = 10,464.69/x
  3. Step 3: Cross multiply
    11,725.80x = 16,189.15 × 10,464.69
  4. Step 4: Simplify right side
    11,725.80x = 169,414,436.11
  5. Step 5: Solve for x
    x = 169,414,436.11/11,725.80
  6. Step 6: Final answer
    x = 14,448.01

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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.