Home / 8,363.12-12,540.02-3,436.16

Finding the Fourth Proportional to 8,363.12, 12,540.02 and 3,436.16

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Solution

The fourth proportional to 8,363.12, 12,540.02 and 3,436.16 is: 5,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.12 : 12,540.02 = 3,436.16 : x
  2. Step 2: Convert to fraction form
    8,363.12/12,540.02 = 3,436.16/x
  3. Step 3: Cross multiply
    8,363.12x = 12,540.02 × 3,436.16
  4. Step 4: Simplify right side
    8,363.12x = 43,089,435.24
  5. Step 5: Solve for x
    x = 43,089,435.24/8,363.12
  6. Step 6: Final answer
    x = 5,152.32

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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.