Home / 7,974.48-11,004.62-4,617.90

Finding the Fourth Proportional to 7,974.48, 11,004.62 and 4,617.90

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Solution

The fourth proportional to 7,974.48, 11,004.62 and 4,617.90 is: 6,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.48 : 11,004.62 = 4,617.90 : x
  2. Step 2: Convert to fraction form
    7,974.48/11,004.62 = 4,617.90/x
  3. Step 3: Cross multiply
    7,974.48x = 11,004.62 × 4,617.90
  4. Step 4: Simplify right side
    7,974.48x = 50,818,211.61
  5. Step 5: Solve for x
    x = 50,818,211.61/7,974.48
  6. Step 6: Final answer
    x = 6,372.61

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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.