Home / 11,700.62-16,146.81-6,395.43

Finding the Fourth Proportional to 11,700.62, 16,146.81 and 6,395.43

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Solution

The fourth proportional to 11,700.62, 16,146.81 and 6,395.43 is: 8,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.62 : 16,146.81 = 6,395.43 : x
  2. Step 2: Convert to fraction form
    11,700.62/16,146.81 = 6,395.43/x
  3. Step 3: Cross multiply
    11,700.62x = 16,146.81 × 6,395.43
  4. Step 4: Simplify right side
    11,700.62x = 103,265,793.08
  5. Step 5: Solve for x
    x = 103,265,793.08/11,700.62
  6. Step 6: Final answer
    x = 8,825.67

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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.