Home / 12,040.72-16,616.27-6,735.62

Finding the Fourth Proportional to 12,040.72, 16,616.27 and 6,735.62

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Solution

The fourth proportional to 12,040.72, 16,616.27 and 6,735.62 is: 9,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.72 : 16,616.27 = 6,735.62 : x
  2. Step 2: Convert to fraction form
    12,040.72/16,616.27 = 6,735.62/x
  3. Step 3: Cross multiply
    12,040.72x = 16,616.27 × 6,735.62
  4. Step 4: Simplify right side
    12,040.72x = 111,920,938.92
  5. Step 5: Solve for x
    x = 111,920,938.92/12,040.72
  6. Step 6: Final answer
    x = 9,295.21

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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.