Home / 11,816.05-16,306.01-6,711.53

Finding the Fourth Proportional to 11,816.05, 16,306.01 and 6,711.53

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Solution

The fourth proportional to 11,816.05, 16,306.01 and 6,711.53 is: 9,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.05 : 16,306.01 = 6,711.53 : x
  2. Step 2: Convert to fraction form
    11,816.05/16,306.01 = 6,711.53/x
  3. Step 3: Cross multiply
    11,816.05x = 16,306.01 × 6,711.53
  4. Step 4: Simplify right side
    11,816.05x = 109,438,217.75
  5. Step 5: Solve for x
    x = 109,438,217.75/11,816.05
  6. Step 6: Final answer
    x = 9,261.83

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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.