Home / 11,700.45-16,096.32-11,372.40

Finding the Fourth Proportional to 11,700.45, 16,096.32 and 11,372.40

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Solution

The fourth proportional to 11,700.45, 16,096.32 and 11,372.40 is: 15,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.45 : 16,096.32 = 11,372.40 : x
  2. Step 2: Convert to fraction form
    11,700.45/16,096.32 = 11,372.40/x
  3. Step 3: Cross multiply
    11,700.45x = 16,096.32 × 11,372.40
  4. Step 4: Simplify right side
    11,700.45x = 183,053,789.57
  5. Step 5: Solve for x
    x = 183,053,789.57/11,700.45
  6. Step 6: Final answer
    x = 15,645.02

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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.