Home / 7,993.12-11,981.94-3,058.96

Finding the Fourth Proportional to 7,993.12, 11,981.94 and 3,058.96

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Solution

The fourth proportional to 7,993.12, 11,981.94 and 3,058.96 is: 4,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.12 : 11,981.94 = 3,058.96 : x
  2. Step 2: Convert to fraction form
    7,993.12/11,981.94 = 3,058.96/x
  3. Step 3: Cross multiply
    7,993.12x = 11,981.94 × 3,058.96
  4. Step 4: Simplify right side
    7,993.12x = 36,652,275.18
  5. Step 5: Solve for x
    x = 36,652,275.18/7,993.12
  6. Step 6: Final answer
    x = 4,585.48

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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.