Home / 12,270.50-16,933.10-7,234.93

Finding the Fourth Proportional to 12,270.50, 16,933.10 and 7,234.93

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Solution

The fourth proportional to 12,270.50, 16,933.10 and 7,234.93 is: 9,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.50 : 16,933.10 = 7,234.93 : x
  2. Step 2: Convert to fraction form
    12,270.50/16,933.10 = 7,234.93/x
  3. Step 3: Cross multiply
    12,270.50x = 16,933.10 × 7,234.93
  4. Step 4: Simplify right side
    12,270.50x = 122,509,793.18
  5. Step 5: Solve for x
    x = 122,509,793.18/12,270.50
  6. Step 6: Final answer
    x = 9,984.09

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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.