Home / 8,792.12-13,188.20-2,218.32

Finding the Fourth Proportional to 8,792.12, 13,188.20 and 2,218.32

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Solution

The fourth proportional to 8,792.12, 13,188.20 and 2,218.32 is: 3,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.12 : 13,188.20 = 2,218.32 : x
  2. Step 2: Convert to fraction form
    8,792.12/13,188.20 = 2,218.32/x
  3. Step 3: Cross multiply
    8,792.12x = 13,188.20 × 2,218.32
  4. Step 4: Simplify right side
    8,792.12x = 29,255,647.82
  5. Step 5: Solve for x
    x = 29,255,647.82/8,792.12
  6. Step 6: Final answer
    x = 3,327.49

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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.