Home / 9,174.20-12,665.65-6,039.50

Finding the Fourth Proportional to 9,174.20, 12,665.65 and 6,039.50

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Solution

The fourth proportional to 9,174.20, 12,665.65 and 6,039.50 is: 8,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.20 : 12,665.65 = 6,039.50 : x
  2. Step 2: Convert to fraction form
    9,174.20/12,665.65 = 6,039.50/x
  3. Step 3: Cross multiply
    9,174.20x = 12,665.65 × 6,039.50
  4. Step 4: Simplify right side
    9,174.20x = 76,494,193.18
  5. Step 5: Solve for x
    x = 76,494,193.18/9,174.20
  6. Step 6: Final answer
    x = 8,337.97

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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.