Home / 12,174.05-16,800.60-7,069.16

Finding the Fourth Proportional to 12,174.05, 16,800.60 and 7,069.16

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Solution

The fourth proportional to 12,174.05, 16,800.60 and 7,069.16 is: 9,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.05 : 16,800.60 = 7,069.16 : x
  2. Step 2: Convert to fraction form
    12,174.05/16,800.60 = 7,069.16/x
  3. Step 3: Cross multiply
    12,174.05x = 16,800.60 × 7,069.16
  4. Step 4: Simplify right side
    12,174.05x = 118,766,045.49
  5. Step 5: Solve for x
    x = 118,766,045.49/12,174.05
  6. Step 6: Final answer
    x = 9,755.68

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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.