Home / 10,915.68-16,353.96-6,633.62

Finding the Fourth Proportional to 10,915.68, 16,353.96 and 6,633.62

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Solution

The fourth proportional to 10,915.68, 16,353.96 and 6,633.62 is: 9,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.68 : 16,353.96 = 6,633.62 : x
  2. Step 2: Convert to fraction form
    10,915.68/16,353.96 = 6,633.62/x
  3. Step 3: Cross multiply
    10,915.68x = 16,353.96 × 6,633.62
  4. Step 4: Simplify right side
    10,915.68x = 108,485,956.14
  5. Step 5: Solve for x
    x = 108,485,956.14/10,915.68
  6. Step 6: Final answer
    x = 9,938.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.