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Finding the Fourth Proportional to 8,993.56, 12,409.66 and 5,014.57

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Solution

The fourth proportional to 8,993.56, 12,409.66 and 5,014.57 is: 6,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.56 : 12,409.66 = 5,014.57 : x
  2. Step 2: Convert to fraction form
    8,993.56/12,409.66 = 5,014.57/x
  3. Step 3: Cross multiply
    8,993.56x = 12,409.66 × 5,014.57
  4. Step 4: Simplify right side
    8,993.56x = 62,229,108.75
  5. Step 5: Solve for x
    x = 62,229,108.75/8,993.56
  6. Step 6: Final answer
    x = 6,919.30

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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.