Home / 10,239.72-15,334.95-6,942.83

Finding the Fourth Proportional to 10,239.72, 15,334.95 and 6,942.83

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Solution

The fourth proportional to 10,239.72, 15,334.95 and 6,942.83 is: 10,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.72 : 15,334.95 = 6,942.83 : x
  2. Step 2: Convert to fraction form
    10,239.72/15,334.95 = 6,942.83/x
  3. Step 3: Cross multiply
    10,239.72x = 15,334.95 × 6,942.83
  4. Step 4: Simplify right side
    10,239.72x = 106,467,874.23
  5. Step 5: Solve for x
    x = 106,467,874.23/10,239.72
  6. Step 6: Final answer
    x = 10,397.54

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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.