Home / 8,632.24-12,945.12-4,012

Finding the Fourth Proportional to 8,632.24, 12,945.12 and 4,012

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Solution

The fourth proportional to 8,632.24, 12,945.12 and 4,012 is: 6,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.24 : 12,945.12 = 4,012 : x
  2. Step 2: Convert to fraction form
    8,632.24/12,945.12 = 4,012/x
  3. Step 3: Cross multiply
    8,632.24x = 12,945.12 × 4,012
  4. Step 4: Simplify right side
    8,632.24x = 51,935,821.44
  5. Step 5: Solve for x
    x = 51,935,821.44/8,632.24
  6. Step 6: Final answer
    x = 6,016.49

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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.