Home / 11,725.45-16,181.13-6,347.93

Finding the Fourth Proportional to 11,725.45, 16,181.13 and 6,347.93

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Solution

The fourth proportional to 11,725.45, 16,181.13 and 6,347.93 is: 8,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.45 : 16,181.13 = 6,347.93 : x
  2. Step 2: Convert to fraction form
    11,725.45/16,181.13 = 6,347.93/x
  3. Step 3: Cross multiply
    11,725.45x = 16,181.13 × 6,347.93
  4. Step 4: Simplify right side
    11,725.45x = 102,716,756.14
  5. Step 5: Solve for x
    x = 102,716,756.14/11,725.45
  6. Step 6: Final answer
    x = 8,760.15

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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.